68566928

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 136169856

約数和(自身を除く): 67602928

約数列:

[1, 2, 4, 8, 16, 61, 122, 163, 244, 326, 431, 488, 652, 862, 976, 1304, 1724, 2608, 3448, 6896, 9943, 19886, 26291, 39772, 52582, 70253, 79544, 105164, 140506, 159088, 210328, 281012, 420656, 562024, 1124048, 4285433, 8570866, 17141732, 34283464, 68566928]

約数ペア:

[(1, 68566928), (2, 34283464), (4, 17141732), (8, 8570866), (16, 4285433), (61, 1124048), (122, 562024), (163, 420656), (244, 281012), (326, 210328), (431, 159088), (488, 140506), (652, 105164), (862, 79544), (976, 70253), (1304, 52582), (1724, 39772), (2608, 26291), (3448, 19886), (6896, 9943)]