40904221

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 43552768

約数和(自身を除く): 2648547

約数列:

[1, 31, 61, 97, 223, 1891, 3007, 5917, 6913, 13603, 21631, 183427, 421693, 670561, 1319491, 40904221]

約数ペア:

[(1, 40904221), (31, 1319491), (61, 670561), (97, 421693), (223, 183427), (1891, 21631), (3007, 13603), (5917, 6913)]