255370621

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 298388160

約数和(自身を除く): 43017539

約数列:

[1, 11, 19, 113, 121, 209, 983, 1243, 2147, 2299, 10813, 13673, 18677, 23617, 111079, 118943, 205447, 259787, 1221869, 2110501, 2259917, 13440559, 23215511, 255370621]

約数ペア:

[(1, 255370621), (11, 23215511), (19, 13440559), (113, 2259917), (121, 2110501), (209, 1221869), (983, 259787), (1243, 205447), (2147, 118943), (2299, 111079), (10813, 23617), (13673, 18677)]