22280545

素因数分解:

$5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 31321728

約数和(自身を除く): 9041183

約数列:

[1, 5, 7, 35, 49, 211, 245, 431, 1055, 1477, 2155, 3017, 7385, 10339, 15085, 21119, 51695, 90941, 105595, 454705, 636587, 3182935, 4456109, 22280545]

約数ペア:

[(1, 22280545), (5, 4456109), (7, 3182935), (35, 636587), (49, 454705), (211, 105595), (245, 90941), (431, 51695), (1055, 21119), (1477, 15085), (2155, 10339), (3017, 7385)]