209857284

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 678881280

約数和(自身を除く): 469023996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 131, 156, 163, 182, 189, 234, 252, 262, 273, 326, 351, 364, 378, 393, 468, 489, 524, 546, 652, 702, 756, 786, 819, 917, 978, 1092, 1141, 1179, 1404, 1467, 1572, 1638, 1703, 1834, 1956, 2119, 2282, 2358, 2457, 2751, 2934, 3276, 3406, 3423, 3537, 3668, 4238, 4401, 4564, 4716, 4914, 5109, 5502, 5868, 6357, 6812, 6846, 7074, 8253, 8476, 8802, 9828, 10218, 10269, 11004, 11921, 12714, 13692, 14148, 14833, 15327, 16506, 17604, 19071, 20436, 20538, 21353, 23842, 24759, 25428, 29666, 30654, 30807, 33012, 35763, 38142, 41076, 42706, 44499, 45981, 47684, 49518, 57213, 59332, 61308, 61614, 64059, 71526, 76284, 85412, 88998, 91962, 99036, 107289, 114426, 123228, 128118, 133497, 143052, 149471, 177996, 183924, 192177, 214578, 228852, 256236, 266994, 277589, 298942, 321867, 384354, 400491, 429156, 448413, 533988, 555178, 576531, 597884, 643734, 768708, 800982, 832767, 896826, 1110356, 1153062, 1287468, 1345239, 1601964, 1665534, 1793652, 1943123, 2306124, 2498301, 2690478, 3331068, 3886246, 4035717, 4996602, 5380956, 5829369, 7494903, 7772492, 8071434, 9993204, 11658738, 14989806, 16142868, 17488107, 23317476, 29979612, 34976214, 52464321, 69952428, 104928642, 209857284]

約数ペア:

[(1, 209857284), (2, 104928642), (3, 69952428), (4, 52464321), (6, 34976214), (7, 29979612), (9, 23317476), (12, 17488107), (13, 16142868), (14, 14989806), (18, 11658738), (21, 9993204), (26, 8071434), (27, 7772492), (28, 7494903), (36, 5829369), (39, 5380956), (42, 4996602), (52, 4035717), (54, 3886246), (63, 3331068), (78, 2690478), (84, 2498301), (91, 2306124), (108, 1943123), (117, 1793652), (126, 1665534), (131, 1601964), (156, 1345239), (163, 1287468), (182, 1153062), (189, 1110356), (234, 896826), (252, 832767), (262, 800982), (273, 768708), (326, 643734), (351, 597884), (364, 576531), (378, 555178), (393, 533988), (468, 448413), (489, 429156), (524, 400491), (546, 384354), (652, 321867), (702, 298942), (756, 277589), (786, 266994), (819, 256236), (917, 228852), (978, 214578), (1092, 192177), (1141, 183924), (1179, 177996), (1404, 149471), (1467, 143052), (1572, 133497), (1638, 128118), (1703, 123228), (1834, 114426), (1956, 107289), (2119, 99036), (2282, 91962), (2358, 88998), (2457, 85412), (2751, 76284), (2934, 71526), (3276, 64059), (3406, 61614), (3423, 61308), (3537, 59332), (3668, 57213), (4238, 49518), (4401, 47684), (4564, 45981), (4716, 44499), (4914, 42706), (5109, 41076), (5502, 38142), (5868, 35763), (6357, 33012), (6812, 30807), (6846, 30654), (7074, 29666), (8253, 25428), (8476, 24759), (8802, 23842), (9828, 21353), (10218, 20538), (10269, 20436), (11004, 19071), (11921, 17604), (12714, 16506), (13692, 15327), (14148, 14833)]