72489215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{101}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 92842848

約数和(自身を除く): 20353633

約数列:

[1, 5, 23, 79, 101, 115, 395, 505, 1817, 2323, 6241, 7979, 9085, 11615, 31205, 39895, 143543, 183517, 630341, 717715, 917585, 3151705, 14497843, 72489215]

約数ペア:

[(1, 72489215), (5, 14497843), (23, 3151705), (79, 917585), (101, 717715), (115, 630341), (395, 183517), (505, 143543), (1817, 39895), (2323, 31205), (6241, 11615), (7979, 9085)]