71965025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2591}}^1$

素因数の和:2713

約数の個数: 24

約数和(自身を含む): 98350848

約数和(自身を除く): 26385823

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 1111, 2525, 2591, 5555, 12955, 27775, 28501, 64775, 142505, 261691, 712525, 1308455, 2878601, 6542275, 14393005, 71965025]

約数ペア:

[(1, 71965025), (5, 14393005), (11, 6542275), (25, 2878601), (55, 1308455), (101, 712525), (275, 261691), (505, 142505), (1111, 64775), (2525, 28501), (2591, 27775), (5555, 12955)]