81713510

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{18199}}^1$

素因数の和:18655

約数の個数: 16

約数和(自身を含む): 147420000

約数和(自身を除く): 65706490

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 18199, 36398, 90995, 181990, 8171351, 16342702, 40856755, 81713510]

約数ペア:

[(1, 81713510), (2, 40856755), (5, 16342702), (10, 8171351), (449, 181990), (898, 90995), (2245, 36398), (4490, 18199)]