638577928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{15797}}^1$

素因数の和:15997

約数の個数: 32

約数和(自身を含む): 1243618560

約数和(自身を除く): 605040632

約数列:

[1, 2, 4, 8, 31, 62, 124, 163, 248, 326, 652, 1304, 5053, 10106, 15797, 20212, 31594, 40424, 63188, 126376, 489707, 979414, 1958828, 2574911, 3917656, 5149822, 10299644, 20599288, 79822241, 159644482, 319288964, 638577928]

約数ペア:

[(1, 638577928), (2, 319288964), (4, 159644482), (8, 79822241), (31, 20599288), (62, 10299644), (124, 5149822), (163, 3917656), (248, 2574911), (326, 1958828), (652, 979414), (1304, 489707), (5053, 126376), (10106, 63188), (15797, 40424), (20212, 31594)]