401026808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{550861}}^1$

素因数の和:550887

約数の個数: 32

約数和(自身を含む): 925448160

約数和(自身を除く): 524421352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 550861, 1101722, 2203444, 3856027, 4406888, 7161193, 7712054, 14322386, 15424108, 28644772, 30848216, 50128351, 57289544, 100256702, 200513404, 401026808]

約数ペア:

[(1, 401026808), (2, 200513404), (4, 100256702), (7, 57289544), (8, 50128351), (13, 30848216), (14, 28644772), (26, 15424108), (28, 14322386), (52, 7712054), (56, 7161193), (91, 4406888), (104, 3856027), (182, 2203444), (364, 1101722), (728, 550861)]