54271568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{260921}}^1$

素因数の和:260942

約数の個数: 20

約数和(自身を含む): 113240148

約数和(自身を除く): 58968580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 260921, 521842, 1043684, 2087368, 3391973, 4174736, 6783946, 13567892, 27135784, 54271568]

約数ペア:

[(1, 54271568), (2, 27135784), (4, 13567892), (8, 6783946), (13, 4174736), (16, 3391973), (26, 2087368), (52, 1043684), (104, 521842), (208, 260921)]