28278710

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{18979}}^1$

素因数の和:19135

約数の個数: 16

約数和(自身を含む): 51246000

約数和(自身を除く): 22967290

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 18979, 37958, 94895, 189790, 2827871, 5655742, 14139355, 28278710]

約数ペア:

[(1, 28278710), (2, 14139355), (5, 5655742), (10, 2827871), (149, 189790), (298, 94895), (745, 37958), (1490, 18979)]