81890796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{524941}}^1$

素因数の和:524961

約数の個数: 24

約数和(自身を含む): 205777264

約数和(自身を除く): 123886468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 524941, 1049882, 1574823, 2099764, 3149646, 6299292, 6824233, 13648466, 20472699, 27296932, 40945398, 81890796]

約数ペア:

[(1, 81890796), (2, 40945398), (3, 27296932), (4, 20472699), (6, 13648466), (12, 6824233), (13, 6299292), (26, 3149646), (39, 2099764), (52, 1574823), (78, 1049882), (156, 524941)]