28751710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3301}}^1$

素因数の和:3388

約数の個数: 32

約数和(自身を含む): 56583072

約数和(自身を除く): 27831362

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3301, 4355, 6602, 8710, 16505, 33010, 42913, 85826, 214565, 221167, 429130, 442334, 1105835, 2211670, 2875171, 5750342, 14375855, 28751710]

約数ペア:

[(1, 28751710), (2, 14375855), (5, 5750342), (10, 2875171), (13, 2211670), (26, 1105835), (65, 442334), (67, 429130), (130, 221167), (134, 214565), (335, 85826), (670, 42913), (871, 33010), (1742, 16505), (3301, 8710), (4355, 6602)]