8728497790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1\times {\mathrm{30809}}^1$

素因数の和:31548

約数の個数: 32

約数和(自身を含む): 16118313120

約数和(自身を除く): 7389815330

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 691, 1382, 3455, 6910, 28331, 30809, 56662, 61618, 141655, 154045, 283310, 308090, 1263169, 2526338, 6315845, 12631690, 21289019, 42578038, 106445095, 212890190, 872849779, 1745699558, 4364248895, 8728497790]

約数ペア:

[(1, 8728497790), (2, 4364248895), (5, 1745699558), (10, 872849779), (41, 212890190), (82, 106445095), (205, 42578038), (410, 21289019), (691, 12631690), (1382, 6315845), (3455, 2526338), (6910, 1263169), (28331, 308090), (30809, 283310), (56662, 154045), (61618, 141655)]