991372657

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{21649}}^1$

素因数の和:21864

約数の個数: 16

約数和(自身を含む): 1134806400

約数和(自身を除く): 143433743

約数列:

[1, 11, 23, 181, 253, 1991, 4163, 21649, 45793, 238139, 497927, 3918469, 5477197, 43103159, 90124787, 991372657]

約数ペア:

[(1, 991372657), (11, 90124787), (23, 43103159), (181, 5477197), (253, 3918469), (1991, 497927), (4163, 238139), (21649, 45793)]