28520615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 36174720

約数和(自身を除く): 7654105

約数列:

[1, 5, 19, 95, 331, 907, 1655, 4535, 6289, 17233, 31445, 86165, 300217, 1501085, 5704123, 28520615]

約数ペア:

[(1, 28520615), (5, 5704123), (19, 1501085), (95, 300217), (331, 86165), (907, 31445), (1655, 17233), (4535, 6289)]