28210735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2789}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 41113440

約数和(自身を除く): 12902705

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 2023, 2789, 10115, 13945, 19523, 47413, 97615, 237065, 331891, 806021, 1659455, 4030105, 5642147, 28210735]

約数ペア:

[(1, 28210735), (5, 5642147), (7, 4030105), (17, 1659455), (35, 806021), (85, 331891), (119, 237065), (289, 97615), (595, 47413), (1445, 19523), (2023, 13945), (2789, 10115)]