72041996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 147571200

約数和(自身を除く): 75529204

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 79, 142, 158, 169, 247, 284, 316, 338, 494, 676, 923, 988, 1027, 1349, 1501, 1846, 2054, 2698, 3002, 3211, 3692, 4108, 5396, 5609, 6004, 6422, 11218, 11999, 12844, 13351, 17537, 19513, 22436, 23998, 26702, 35074, 39026, 47996, 53404, 70148, 72917, 78052, 106571, 145834, 213142, 227981, 253669, 291668, 426284, 455962, 507338, 911924, 947921, 1014676, 1385423, 1895842, 2770846, 3791684, 5541692, 18010499, 36020998, 72041996]

約数ペア:

[(1, 72041996), (2, 36020998), (4, 18010499), (13, 5541692), (19, 3791684), (26, 2770846), (38, 1895842), (52, 1385423), (71, 1014676), (76, 947921), (79, 911924), (142, 507338), (158, 455962), (169, 426284), (247, 291668), (284, 253669), (316, 227981), (338, 213142), (494, 145834), (676, 106571), (923, 78052), (988, 72917), (1027, 70148), (1349, 53404), (1501, 47996), (1846, 39026), (2054, 35074), (2698, 26702), (3002, 23998), (3211, 22436), (3692, 19513), (4108, 17537), (5396, 13351), (5609, 12844), (6004, 11999), (6422, 11218)]