261602

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 24

約数和(自身を含む): 459648

約数和(自身を除く): 198046

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 121, 242, 253, 506, 517, 1034, 1081, 2162, 2783, 5566, 5687, 11374, 11891, 23782, 130801, 261602]

約数ペア:

[(1, 261602), (2, 130801), (11, 23782), (22, 11891), (23, 11374), (46, 5687), (47, 5566), (94, 2783), (121, 2162), (242, 1081), (253, 1034), (506, 517)]