81018070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{165343}}^1$

素因数の和:165364

約数の個数: 24

約数和(自身を含む): 169642944

約数和(自身を除く): 88624874

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 165343, 330686, 826715, 1157401, 1653430, 2314802, 5787005, 8101807, 11574010, 16203614, 40509035, 81018070]

約数ペア:

[(1, 81018070), (2, 40509035), (5, 16203614), (7, 11574010), (10, 8101807), (14, 5787005), (35, 2314802), (49, 1653430), (70, 1157401), (98, 826715), (245, 330686), (490, 165343)]