257226572158

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{6813227}}^1$

素因数の和:6813711

約数の個数: 16

約数和(自身を含む): 395712282240

約数和(自身を除く): 138485710082

約数列:

[1, 2, 43, 86, 439, 878, 18877, 37754, 6813227, 13626454, 292968761, 585937522, 2991006653, 5982013306, 128613286079, 257226572158]

約数ペア:

[(1, 257226572158), (2, 128613286079), (43, 5982013306), (86, 2991006653), (439, 585937522), (878, 292968761), (18877, 13626454), (37754, 6813227)]