261691586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{165001}}^1$

素因数の和:165077

約数の個数: 16

約数和(自身を含む): 429665208

約数和(自身を除く): 167973622

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 165001, 330002, 2145013, 4290026, 10065061, 20130122, 130845793, 261691586]

約数ペア:

[(1, 261691586), (2, 130845793), (13, 20130122), (26, 10065061), (61, 4290026), (122, 2145013), (793, 330002), (1586, 165001)]