81551704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2069}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 165186000

約数和(自身を除く): 83634296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 379, 758, 1516, 2069, 3032, 4138, 4927, 8276, 9854, 16552, 19708, 26897, 39416, 53794, 107588, 215176, 784151, 1568302, 3136604, 6273208, 10193963, 20387926, 40775852, 81551704]

約数ペア:

[(1, 81551704), (2, 40775852), (4, 20387926), (8, 10193963), (13, 6273208), (26, 3136604), (52, 1568302), (104, 784151), (379, 215176), (758, 107588), (1516, 53794), (2069, 39416), (3032, 26897), (4138, 19708), (4927, 16552), (8276, 9854)]