221839919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{25537}}^1$

素因数の和:25634

約数の個数: 16

約数和(自身を含む): 272132928

約数和(自身を除く): 50293009

約数列:

[1, 7, 17, 73, 119, 511, 1241, 8687, 25537, 178759, 434129, 1864201, 3038903, 13049407, 31691417, 221839919]

約数ペア:

[(1, 221839919), (7, 31691417), (17, 13049407), (73, 3038903), (119, 1864201), (511, 434129), (1241, 178759), (8687, 25537)]