257072114

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 424279296

約数和(自身を除く): 167207182

約数列:

[1, 2, 13, 26, 71, 142, 157, 314, 887, 923, 1774, 1846, 2041, 4082, 11147, 11531, 22294, 23062, 62977, 125954, 139259, 144911, 278518, 289822, 818701, 1637402, 1810367, 3620734, 9887389, 19774778, 128536057, 257072114]

約数ペア:

[(1, 257072114), (2, 128536057), (13, 19774778), (26, 9887389), (71, 3620734), (142, 1810367), (157, 1637402), (314, 818701), (887, 289822), (923, 278518), (1774, 144911), (1846, 139259), (2041, 125954), (4082, 62977), (11147, 23062), (11531, 22294)]