678333838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{128521}}^1$

素因数の和:128572

約数の個数: 32

約数和(自身を含む): 1295501760

約数和(自身を除く): 617167922

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 5278, 128521, 257042, 899647, 1670773, 1799294, 3341546, 3727109, 7454218, 11695411, 23390822, 26089763, 48452417, 52179526, 96904834, 339166919, 678333838]

約数ペア:

[(1, 678333838), (2, 339166919), (7, 96904834), (13, 52179526), (14, 48452417), (26, 26089763), (29, 23390822), (58, 11695411), (91, 7454218), (182, 3727109), (203, 3341546), (377, 1799294), (406, 1670773), (754, 899647), (2639, 257042), (5278, 128521)]