1280496966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{1103}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 2965856256

約数和(自身を除く): 1685359290

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 211, 262, 393, 422, 633, 786, 917, 1103, 1266, 1477, 1834, 2206, 2751, 2954, 3309, 4431, 5502, 6618, 7721, 8862, 15442, 23163, 27641, 46326, 55282, 82923, 144493, 165846, 193487, 232733, 288986, 386974, 433479, 465466, 580461, 698199, 866958, 1011451, 1160922, 1396398, 1629131, 2022902, 3034353, 3258262, 4887393, 6068706, 9774786, 30488023, 60976046, 91464069, 182928138, 213416161, 426832322, 640248483, 1280496966]

約数ペア:

[(1, 1280496966), (2, 640248483), (3, 426832322), (6, 213416161), (7, 182928138), (14, 91464069), (21, 60976046), (42, 30488023), (131, 9774786), (211, 6068706), (262, 4887393), (393, 3258262), (422, 3034353), (633, 2022902), (786, 1629131), (917, 1396398), (1103, 1160922), (1266, 1011451), (1477, 866958), (1834, 698199), (2206, 580461), (2751, 465466), (2954, 433479), (3309, 386974), (4431, 288986), (5502, 232733), (6618, 193487), (7721, 165846), (8862, 144493), (15442, 82923), (23163, 55282), (27641, 46326)]