31213402

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{128981}}^1$

素因数の和:129005

約数の個数: 12

約数和(自身を含む): 51463818

約数和(自身を除く): 20250416

約数列:

[1, 2, 11, 22, 121, 242, 128981, 257962, 1418791, 2837582, 15606701, 31213402]

約数ペア:

[(1, 31213402), (2, 15606701), (11, 2837582), (22, 1418791), (121, 257962), (242, 128981)]