399825972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 216

約数和(自身を含む): 1295443968

約数和(自身を除く): 895617996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 127, 156, 182, 186, 217, 234, 252, 254, 273, 279, 364, 372, 381, 403, 434, 468, 508, 546, 558, 651, 762, 806, 819, 868, 889, 961, 1092, 1116, 1143, 1209, 1302, 1524, 1612, 1638, 1651, 1778, 1922, 1953, 2286, 2418, 2604, 2667, 2821, 2883, 3276, 3302, 3556, 3627, 3844, 3906, 3937, 4572, 4836, 4953, 5334, 5642, 5766, 6604, 6727, 7254, 7812, 7874, 8001, 8463, 8649, 9906, 10668, 11284, 11532, 11557, 11811, 12493, 13454, 14508, 14859, 15748, 16002, 16926, 17298, 19812, 20181, 23114, 23622, 24986, 25389, 26908, 27559, 29718, 32004, 33852, 34596, 34671, 35433, 37479, 40362, 46228, 47244, 49972, 50778, 51181, 55118, 59436, 60543, 69342, 70866, 74958, 80724, 82677, 87451, 101556, 102362, 104013, 110236, 112437, 121086, 122047, 138684, 141732, 149916, 153543, 165354, 174902, 204724, 208026, 224874, 242172, 244094, 248031, 262353, 307086, 330708, 349804, 358267, 366141, 416052, 449748, 460629, 488188, 496062, 524706, 614172, 716534, 732282, 787059, 854329, 921258, 992124, 1049412, 1074801, 1098423, 1433068, 1464564, 1574118, 1586611, 1708658, 1842516, 2149602, 2196846, 2562987, 3148236, 3173222, 3224403, 3417316, 4299204, 4393692, 4759833, 5125974, 6346444, 6448806, 7688961, 9519666, 10251948, 11106277, 12897612, 14279499, 15377922, 19039332, 22212554, 28558998, 30755844, 33318831, 44425108, 57117996, 66637662, 99956493, 133275324, 199912986, 399825972]

約数ペア:

[(1, 399825972), (2, 199912986), (3, 133275324), (4, 99956493), (6, 66637662), (7, 57117996), (9, 44425108), (12, 33318831), (13, 30755844), (14, 28558998), (18, 22212554), (21, 19039332), (26, 15377922), (28, 14279499), (31, 12897612), (36, 11106277), (39, 10251948), (42, 9519666), (52, 7688961), (62, 6448806), (63, 6346444), (78, 5125974), (84, 4759833), (91, 4393692), (93, 4299204), (117, 3417316), (124, 3224403), (126, 3173222), (127, 3148236), (156, 2562987), (182, 2196846), (186, 2149602), (217, 1842516), (234, 1708658), (252, 1586611), (254, 1574118), (273, 1464564), (279, 1433068), (364, 1098423), (372, 1074801), (381, 1049412), (403, 992124), (434, 921258), (468, 854329), (508, 787059), (546, 732282), (558, 716534), (651, 614172), (762, 524706), (806, 496062), (819, 488188), (868, 460629), (889, 449748), (961, 416052), (1092, 366141), (1116, 358267), (1143, 349804), (1209, 330708), (1302, 307086), (1524, 262353), (1612, 248031), (1638, 244094), (1651, 242172), (1778, 224874), (1922, 208026), (1953, 204724), (2286, 174902), (2418, 165354), (2604, 153543), (2667, 149916), (2821, 141732), (2883, 138684), (3276, 122047), (3302, 121086), (3556, 112437), (3627, 110236), (3844, 104013), (3906, 102362), (3937, 101556), (4572, 87451), (4836, 82677), (4953, 80724), (5334, 74958), (5642, 70866), (5766, 69342), (6604, 60543), (6727, 59436), (7254, 55118), (7812, 51181), (7874, 50778), (8001, 49972), (8463, 47244), (8649, 46228), (9906, 40362), (10668, 37479), (11284, 35433), (11532, 34671), (11557, 34596), (11811, 33852), (12493, 32004), (13454, 29718), (14508, 27559), (14859, 26908), (15748, 25389), (16002, 24986), (16926, 23622), (17298, 23114), (19812, 20181)]