251260642

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{6131}}^1$

素因数の和:6825

約数の個数: 16

約数和(自身を含む): 389700864

約数和(自身を除く): 138440222

約数列:

[1, 2, 31, 62, 661, 1322, 6131, 12262, 20491, 40982, 190061, 380122, 4052591, 8105182, 125630321, 251260642]

約数ペア:

[(1, 251260642), (2, 125630321), (31, 8105182), (62, 4052591), (661, 380122), (1322, 190061), (6131, 40982), (12262, 20491)]