28708730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32257}}^1$

素因数の和:32353

約数の個数: 16

約数和(自身を含む): 52257960

約数和(自身を除く): 23549230

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32257, 64514, 161285, 322570, 2870873, 5741746, 14354365, 28708730]

約数ペア:

[(1, 28708730), (2, 14354365), (5, 5741746), (10, 2870873), (89, 322570), (178, 161285), (445, 64514), (890, 32257)]