218642438

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{122971}}^1$

素因数の和:123107

約数の個数: 16

約数和(自身を含む): 377769984

約数和(自身を除く): 159127546

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 122971, 245942, 860797, 1721594, 15617317, 31234634, 109321219, 218642438]

約数ペア:

[(1, 218642438), (2, 109321219), (7, 31234634), (14, 15617317), (127, 1721594), (254, 860797), (889, 245942), (1778, 122971)]