256449215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{423883}}^1$

素因数の和:423910

約数の個数: 12

約数和(自身を含む): 338259432

約数和(自身を除く): 81810217

約数列:

[1, 5, 11, 55, 121, 605, 423883, 2119415, 4662713, 23313565, 51289843, 256449215]

約数ペア:

[(1, 256449215), (5, 51289843), (11, 23313565), (55, 4662713), (121, 2119415), (605, 423883)]