251015261

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{1279}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 305786880

約数和(自身を除く): 54771619

約数列:

[1, 7, 23, 53, 161, 371, 529, 1219, 1279, 3703, 8533, 8953, 28037, 29417, 67787, 196259, 205919, 474509, 676591, 1559101, 4736137, 10913707, 35859323, 251015261]

約数ペア:

[(1, 251015261), (7, 35859323), (23, 10913707), (53, 4736137), (161, 1559101), (371, 676591), (529, 474509), (1219, 205919), (1279, 196259), (3703, 67787), (8533, 29417), (8953, 28037)]