520985018

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 815371920

約数和(自身を除く): 294386902

約数列:

[1, 2, 53, 61, 106, 122, 197, 394, 409, 818, 3233, 6466, 10441, 12017, 20882, 21677, 24034, 24949, 43354, 49898, 80573, 161146, 636901, 1273802, 1322297, 2644594, 4270369, 4914953, 8540738, 9829906, 260492509, 520985018]

約数ペア:

[(1, 520985018), (2, 260492509), (53, 9829906), (61, 8540738), (106, 4914953), (122, 4270369), (197, 2644594), (394, 1322297), (409, 1273802), (818, 636901), (3233, 161146), (6466, 80573), (10441, 49898), (12017, 43354), (20882, 24949), (21677, 24034)]