256642124

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{4129}}^1$

素因数の和:4553

約数の個数: 24

約数和(自身を含む): 461403600

約数和(自身を除く): 204761476

約数列:

[1, 2, 4, 41, 82, 164, 379, 758, 1516, 4129, 8258, 15539, 16516, 31078, 62156, 169289, 338578, 677156, 1564891, 3129782, 6259564, 64160531, 128321062, 256642124]

約数ペア:

[(1, 256642124), (2, 128321062), (4, 64160531), (41, 6259564), (82, 3129782), (164, 1564891), (379, 677156), (758, 338578), (1516, 169289), (4129, 62156), (8258, 31078), (15539, 16516)]