257847854

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{17467}}^1$

素因数の和:17552

約数の個数: 24

約数和(自身を含む): 432123384

約数和(自身を除く): 174275530

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 7381, 14762, 17467, 34934, 192137, 384274, 1065487, 2113507, 2130974, 4227014, 11720357, 23440714, 128923927, 257847854]

約数ペア:

[(1, 257847854), (2, 128923927), (11, 23440714), (22, 11720357), (61, 4227014), (121, 2130974), (122, 2113507), (242, 1065487), (671, 384274), (1342, 192137), (7381, 34934), (14762, 17467)]