291215518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{121441}}^1$

素因数の和:121563

約数の個数: 16

約数和(自身を含む): 480910320

約数和(自身を除く): 189694802

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 121441, 242882, 1335851, 2671702, 13237069, 26474138, 145607759, 291215518]

約数ペア:

[(1, 291215518), (2, 145607759), (11, 26474138), (22, 13237069), (109, 2671702), (218, 1335851), (1199, 242882), (2398, 121441)]