64303390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{72251}}^1$

素因数の和:72347

約数の個数: 16

約数和(自身を含む): 117048240

約数和(自身を除く): 52744850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 72251, 144502, 361255, 722510, 6430339, 12860678, 32151695, 64303390]

約数ペア:

[(1, 64303390), (2, 32151695), (5, 12860678), (10, 6430339), (89, 722510), (178, 361255), (445, 144502), (890, 72251)]