31451856

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 80

約数和(自身を含む): 87613440

約数和(自身を除く): 56161584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 368, 372, 496, 552, 713, 744, 919, 1104, 1426, 1488, 1838, 2139, 2757, 2852, 3676, 4278, 5514, 5704, 7352, 8556, 11028, 11408, 14704, 17112, 21137, 22056, 28489, 34224, 42274, 44112, 56978, 63411, 84548, 85467, 113956, 126822, 169096, 170934, 227912, 253644, 338192, 341868, 455824, 507288, 655247, 683736, 1014576, 1310494, 1367472, 1965741, 2620988, 3931482, 5241976, 7862964, 10483952, 15725928, 31451856]

約数ペア:

[(1, 31451856), (2, 15725928), (3, 10483952), (4, 7862964), (6, 5241976), (8, 3931482), (12, 2620988), (16, 1965741), (23, 1367472), (24, 1310494), (31, 1014576), (46, 683736), (48, 655247), (62, 507288), (69, 455824), (92, 341868), (93, 338192), (124, 253644), (138, 227912), (184, 170934), (186, 169096), (248, 126822), (276, 113956), (368, 85467), (372, 84548), (496, 63411), (552, 56978), (713, 44112), (744, 42274), (919, 34224), (1104, 28489), (1426, 22056), (1488, 21137), (1838, 17112), (2139, 14704), (2757, 11408), (2852, 11028), (3676, 8556), (4278, 7352), (5514, 5704)]