1640320561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{18661}}^1$

素因数の和:18864

約数の個数: 16

約数和(自身を含む): 1832757696

約数和(自身を除く): 192437135

約数列:

[1, 11, 61, 131, 671, 1441, 7991, 18661, 87901, 205271, 1138321, 2444591, 12521531, 26890501, 149120051, 1640320561]

約数ペア:

[(1, 1640320561), (11, 149120051), (61, 26890501), (131, 12521531), (671, 2444591), (1441, 1138321), (7991, 205271), (18661, 87901)]