28851205

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 35662464

約数和(自身を除く): 6811259

約数列:

[1, 5, 67, 71, 335, 355, 1213, 4757, 6065, 23785, 81271, 86123, 406355, 430615, 5770241, 28851205]

約数ペア:

[(1, 28851205), (5, 5770241), (67, 430615), (71, 406355), (335, 86123), (355, 81271), (1213, 23785), (4757, 6065)]