521309890

素因数分解:

$2^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{71707}}^1$

素因数の和:72441

約数の個数: 16

約数和(自身を含む): 939661632

約数和(自身を除く): 418351742

約数列:

[1, 2, 5, 10, 727, 1454, 3635, 7270, 71707, 143414, 358535, 717070, 52130989, 104261978, 260654945, 521309890]

約数ペア:

[(1, 521309890), (2, 260654945), (5, 104261978), (10, 52130989), (727, 717070), (1454, 358535), (3635, 143414), (7270, 71707)]