81185156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50363}}^1$

素因数の和:50411

約数の個数: 24

約数和(自身を含む): 157941504

約数和(自身を除く): 76756348

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 50363, 100726, 201452, 654719, 1309438, 1561253, 2618876, 3122506, 6245012, 20296289, 40592578, 81185156]

約数ペア:

[(1, 81185156), (2, 40592578), (4, 20296289), (13, 6245012), (26, 3122506), (31, 2618876), (52, 1561253), (62, 1309438), (124, 654719), (403, 201452), (806, 100726), (1612, 50363)]