829562890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{120401}}^1$

素因数の和:120474

約数の個数: 32

約数和(自身を含む): 1638430416

約数和(自身を除く): 808867526

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 120401, 240802, 602005, 1204010, 1565213, 3130426, 6381253, 7826065, 12762506, 15652130, 31906265, 63812530, 82956289, 165912578, 414781445, 829562890]

約数ペア:

[(1, 829562890), (2, 414781445), (5, 165912578), (10, 82956289), (13, 63812530), (26, 31906265), (53, 15652130), (65, 12762506), (106, 7826065), (130, 6381253), (265, 3130426), (530, 1565213), (689, 1204010), (1378, 602005), (3445, 240802), (6890, 120401)]