688449970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5295769}}^1$

素因数の和:5295789

約数の個数: 16

約数和(自身を含む): 1334534040

約数和(自身を除く): 646084070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5295769, 10591538, 26478845, 52957690, 68844997, 137689994, 344224985, 688449970]

約数ペア:

[(1, 688449970), (2, 344224985), (5, 137689994), (10, 68844997), (13, 52957690), (26, 26478845), (65, 10591538), (130, 5295769)]