1556021968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2081}}^1\times {\mathrm{2749}}^1$

素因数の和:4855

約数の個数: 40

約数和(自身を含む): 3194829000

約数和(自身を除く): 1638807032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2081, 2749, 4162, 5498, 8324, 10996, 16648, 21992, 33296, 35377, 43984, 46733, 70754, 93466, 141508, 186932, 283016, 373864, 566032, 747728, 5720669, 11441338, 22882676, 45765352, 91530704, 97251373, 194502746, 389005492, 778010984, 1556021968]

約数ペア:

[(1, 1556021968), (2, 778010984), (4, 389005492), (8, 194502746), (16, 97251373), (17, 91530704), (34, 45765352), (68, 22882676), (136, 11441338), (272, 5720669), (2081, 747728), (2749, 566032), (4162, 373864), (5498, 283016), (8324, 186932), (10996, 141508), (16648, 93466), (21992, 70754), (33296, 46733), (35377, 43984)]