123893225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 156989952

約数和(自身を除く): 33096727

約数列:

[1, 5, 25, 71, 223, 313, 355, 1115, 1565, 1775, 5575, 7825, 15833, 22223, 69799, 79165, 111115, 348995, 395825, 555575, 1744975, 4955729, 24778645, 123893225]

約数ペア:

[(1, 123893225), (5, 24778645), (25, 4955729), (71, 1744975), (223, 555575), (313, 395825), (355, 348995), (1115, 111115), (1565, 79165), (1775, 69799), (5575, 22223), (7825, 15833)]