1408628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 2690688

約数和(自身を除く): 1282060

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 263, 412, 526, 1052, 1339, 2678, 3419, 5356, 6838, 13676, 27089, 54178, 108356, 352157, 704314, 1408628]

約数ペア:

[(1, 1408628), (2, 704314), (4, 352157), (13, 108356), (26, 54178), (52, 27089), (103, 13676), (206, 6838), (263, 5356), (412, 3419), (526, 2678), (1052, 1339)]