221972471

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1\times {\mathrm{1297}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 265165824

約数和(自身を除く): 43193353

約数列:

[1, 7, 23, 161, 1063, 1297, 7441, 9079, 24449, 29831, 171143, 208817, 1378711, 9650977, 31710353, 221972471]

約数ペア:

[(1, 221972471), (7, 31710353), (23, 9650977), (161, 1378711), (1063, 208817), (1297, 171143), (7441, 29831), (9079, 24449)]