258975928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39623}}^1$

素因数の和:39691

約数の個数: 32

約数和(自身を含む): 523036800

約数和(自身を除く): 264060872

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 39623, 79246, 158492, 316984, 752837, 1505674, 1703789, 3011348, 3407578, 6022696, 6815156, 13630312, 32371991, 64743982, 129487964, 258975928]

約数ペア:

[(1, 258975928), (2, 129487964), (4, 64743982), (8, 32371991), (19, 13630312), (38, 6815156), (43, 6022696), (76, 3407578), (86, 3011348), (152, 1703789), (172, 1505674), (344, 752837), (817, 316984), (1634, 158492), (3268, 79246), (6536, 39623)]