261207551

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{2017}}^1$

素因数の和:2282

約数の個数: 16

約数和(自身を含む): 291270048

約数和(自身を除く): 30062497

約数列:

[1, 11, 61, 193, 671, 2017, 2123, 11773, 22187, 123037, 129503, 389281, 1353407, 4282091, 23746141, 261207551]

約数ペア:

[(1, 261207551), (11, 23746141), (61, 4282091), (193, 1353407), (671, 389281), (2017, 129503), (2123, 123037), (11773, 22187)]