81401666

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 130775040

約数和(自身を除く): 49373374

約数列:

[1, 2, 29, 43, 58, 86, 127, 254, 257, 514, 1247, 2494, 3683, 5461, 7366, 7453, 10922, 11051, 14906, 22102, 32639, 65278, 158369, 316738, 320479, 640958, 946531, 1403477, 1893062, 2806954, 40700833, 81401666]

約数ペア:

[(1, 81401666), (2, 40700833), (29, 2806954), (43, 1893062), (58, 1403477), (86, 946531), (127, 640958), (254, 320479), (257, 316738), (514, 158369), (1247, 65278), (2494, 32639), (3683, 22102), (5461, 14906), (7366, 11051), (7453, 10922)]