31583916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 101756928

約数和(自身を除く): 70173012

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, 156, 182, 186, 217, 234, 252, 273, 279, 311, 364, 372, 403, 434, 468, 546, 558, 622, 651, 806, 819, 868, 933, 1092, 1116, 1209, 1244, 1302, 1612, 1638, 1866, 1953, 2177, 2418, 2604, 2799, 2821, 3276, 3627, 3732, 3906, 4043, 4354, 4836, 5598, 5642, 6531, 7254, 7812, 8086, 8463, 8708, 9641, 11196, 11284, 12129, 13062, 14508, 16172, 16926, 19282, 19593, 24258, 25389, 26124, 28301, 28923, 33852, 36387, 38564, 39186, 48516, 50778, 56602, 57846, 67487, 72774, 78372, 84903, 86769, 101556, 113204, 115692, 125333, 134974, 145548, 169806, 173538, 202461, 250666, 254709, 269948, 339612, 347076, 375999, 404922, 501332, 509418, 607383, 751998, 809844, 877331, 1018836, 1127997, 1214766, 1503996, 1754662, 2255994, 2429532, 2631993, 3509324, 4511988, 5263986, 7895979, 10527972, 15791958, 31583916]

約数ペア:

[(1, 31583916), (2, 15791958), (3, 10527972), (4, 7895979), (6, 5263986), (7, 4511988), (9, 3509324), (12, 2631993), (13, 2429532), (14, 2255994), (18, 1754662), (21, 1503996), (26, 1214766), (28, 1127997), (31, 1018836), (36, 877331), (39, 809844), (42, 751998), (52, 607383), (62, 509418), (63, 501332), (78, 404922), (84, 375999), (91, 347076), (93, 339612), (117, 269948), (124, 254709), (126, 250666), (156, 202461), (182, 173538), (186, 169806), (217, 145548), (234, 134974), (252, 125333), (273, 115692), (279, 113204), (311, 101556), (364, 86769), (372, 84903), (403, 78372), (434, 72774), (468, 67487), (546, 57846), (558, 56602), (622, 50778), (651, 48516), (806, 39186), (819, 38564), (868, 36387), (933, 33852), (1092, 28923), (1116, 28301), (1209, 26124), (1244, 25389), (1302, 24258), (1612, 19593), (1638, 19282), (1866, 16926), (1953, 16172), (2177, 14508), (2418, 13062), (2604, 12129), (2799, 11284), (2821, 11196), (3276, 9641), (3627, 8708), (3732, 8463), (3906, 8086), (4043, 7812), (4354, 7254), (4836, 6531), (5598, 5642)]