221401747

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4211}}^1$

素因数の和:4291

約数の個数: 24

約数和(自身を含む): 273695760

約数和(自身を除く): 52294013

約数列:

[1, 7, 29, 37, 49, 203, 259, 1073, 1421, 1813, 4211, 7511, 29477, 52577, 122119, 155807, 206339, 854833, 1090649, 4518403, 5983831, 7634543, 31628821, 221401747]

約数ペア:

[(1, 221401747), (7, 31628821), (29, 7634543), (37, 5983831), (49, 4518403), (203, 1090649), (259, 854833), (1073, 206339), (1421, 155807), (1813, 122119), (4211, 52577), (7511, 29477)]