69940390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10151}}^1$

素因数の和:10224

約数の個数: 32

約数和(自身を含む): 138148416

約数和(自身を除く): 68208026

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 10151, 20302, 50755, 101510, 131963, 263926, 538003, 659815, 1076006, 1319630, 2690015, 5380030, 6994039, 13988078, 34970195, 69940390]

約数ペア:

[(1, 69940390), (2, 34970195), (5, 13988078), (10, 6994039), (13, 5380030), (26, 2690015), (53, 1319630), (65, 1076006), (106, 659815), (130, 538003), (265, 263926), (530, 131963), (689, 101510), (1378, 50755), (3445, 20302), (6890, 10151)]