1649895961

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{129719}}^1$

素因数の和:129828

約数の個数: 16

約数和(自身を含む): 1992499200

約数和(自身を除く): 342603239

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 129719, 908033, 2983537, 10247801, 20884759, 71734607, 235699423, 1649895961]

約数ペア:

[(1, 1649895961), (7, 235699423), (23, 71734607), (79, 20884759), (161, 10247801), (553, 2983537), (1817, 908033), (12719, 129719)]