128662990

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{86351}}^1$

素因数の和:86507

約数の個数: 16

約数和(自身を含む): 233150400

約数和(自身を除く): 104487410

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 86351, 172702, 431755, 863510, 12866299, 25732598, 64331495, 128662990]

約数ペア:

[(1, 128662990), (2, 64331495), (5, 25732598), (10, 12866299), (149, 863510), (298, 431755), (745, 172702), (1490, 86351)]