421556443

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2311}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 553992192

約数和(自身を除く): 132435749

約数列:

[1, 7, 11, 23, 77, 103, 161, 253, 721, 1133, 1771, 2311, 2369, 7931, 16177, 16583, 25421, 26059, 53153, 177947, 182413, 238033, 372071, 584683, 1666231, 2618363, 4092781, 5474759, 18328541, 38323313, 60222349, 421556443]

約数ペア:

[(1, 421556443), (7, 60222349), (11, 38323313), (23, 18328541), (77, 5474759), (103, 4092781), (161, 2618363), (253, 1666231), (721, 584683), (1133, 372071), (1771, 238033), (2311, 182413), (2369, 177947), (7931, 53153), (16177, 26059), (16583, 25421)]