31798090

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21341}}^1$

素因数の和:21497

約数の個数: 16

約数和(自身を含む): 57623400

約数和(自身を除く): 25825310

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 21341, 42682, 106705, 213410, 3179809, 6359618, 15899045, 31798090]

約数ペア:

[(1, 31798090), (2, 15899045), (5, 6359618), (10, 3179809), (149, 213410), (298, 106705), (745, 42682), (1490, 21341)]