81910866070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10487947}}^1$

素因数の和:10488036

約数の個数: 32

約数和(自身を含む): 163108567296

約数和(自身を除く): 81197701226

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 10487947, 20975894, 52439735, 104879470, 115367417, 230734834, 576837085, 744644237, 1153674170, 1489288474, 3723221185, 7446442370, 8191086607, 16382173214, 40955433035, 81910866070]

約数ペア:

[(1, 81910866070), (2, 40955433035), (5, 16382173214), (10, 8191086607), (11, 7446442370), (22, 3723221185), (55, 1489288474), (71, 1153674170), (110, 744644237), (142, 576837085), (355, 230734834), (710, 115367417), (781, 104879470), (1562, 52439735), (3905, 20975894), (7810, 10487947)]