2889575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 4093488

約数和(自身を除く): 1203913

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 523, 1105, 2615, 5525, 6799, 8891, 13075, 33995, 44455, 115583, 169975, 222275, 577915, 2889575]

約数ペア:

[(1, 2889575), (5, 577915), (13, 222275), (17, 169975), (25, 115583), (65, 44455), (85, 33995), (221, 13075), (325, 8891), (425, 6799), (523, 5525), (1105, 2615)]