251136944

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{20411}}^1$

素因数の和:21188

約数の個数: 20

約数和(自身を含む): 487234440

約数和(自身を除く): 236097496

約数列:

[1, 2, 4, 8, 16, 769, 1538, 3076, 6152, 12304, 20411, 40822, 81644, 163288, 326576, 15696059, 31392118, 62784236, 125568472, 251136944]

約数ペア:

[(1, 251136944), (2, 125568472), (4, 62784236), (8, 31392118), (16, 15696059), (769, 326576), (1538, 163288), (3076, 81644), (6152, 40822), (12304, 20411)]