65968721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42643}}^1$

素因数の和:42680

約数の個数: 16

約数和(自身を含む): 85970304

約数和(自身を除く): 20001583

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 42643, 298501, 554359, 724931, 3880513, 5074517, 9424103, 65968721]

約数ペア:

[(1, 65968721), (7, 9424103), (13, 5074517), (17, 3880513), (91, 724931), (119, 554359), (221, 298501), (1547, 42643)]