1390456438

素因数分解:

$2^1\times 7^2\times {\mathrm{3119}}^1\times {\mathrm{4549}}^1$

素因数の和:7684

約数の個数: 24

約数和(自身を含む): 2427516000

約数和(自身を除く): 1037059562

約数列:

[1, 2, 7, 14, 49, 98, 3119, 4549, 6238, 9098, 21833, 31843, 43666, 63686, 152831, 222901, 305662, 445802, 14188331, 28376662, 99318317, 198636634, 695228219, 1390456438]

約数ペア:

[(1, 1390456438), (2, 695228219), (7, 198636634), (14, 99318317), (49, 28376662), (98, 14188331), (3119, 445802), (4549, 305662), (6238, 222901), (9098, 152831), (21833, 63686), (31843, 43666)]