81187028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42197}}^1$

素因数の和:42251

約数の個数: 24

約数和(自身を含む): 157145352

約数和(自身を除く): 75958324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 42197, 84394, 168788, 548561, 1097122, 1561289, 2194244, 3122578, 6245156, 20296757, 40593514, 81187028]

約数ペア:

[(1, 81187028), (2, 40593514), (4, 20296757), (13, 6245156), (26, 3122578), (37, 2194244), (52, 1561289), (74, 1097122), (148, 548561), (481, 168788), (962, 84394), (1924, 42197)]