427103690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{9749}}^1$

素因数の和:10106

約数の個数: 32

約数和(自身を含む): 830466000

約数和(自身を除く): 403362310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 674, 1685, 3370, 4381, 8762, 9749, 19498, 21905, 43810, 48745, 97490, 126737, 253474, 633685, 1267370, 3285413, 6570826, 16427065, 32854130, 42710369, 85420738, 213551845, 427103690]

約数ペア:

[(1, 427103690), (2, 213551845), (5, 85420738), (10, 42710369), (13, 32854130), (26, 16427065), (65, 6570826), (130, 3285413), (337, 1267370), (674, 633685), (1685, 253474), (3370, 126737), (4381, 97490), (8762, 48745), (9749, 43810), (19498, 21905)]