31231345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{631}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 39588480

約数和(自身を除く): 8357135

約数列:

[1, 5, 19, 95, 521, 631, 2605, 3155, 9899, 11989, 49495, 59945, 328751, 1643755, 6246269, 31231345]

約数ペア:

[(1, 31231345), (5, 6246269), (19, 1643755), (95, 328751), (521, 59945), (631, 49495), (2605, 11989), (3155, 9899)]