81168828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{520313}}^1$

素因数の和:520333

約数の個数: 24

約数和(自身を含む): 203963088

約数和(自身を除く): 122794260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 520313, 1040626, 1560939, 2081252, 3121878, 6243756, 6764069, 13528138, 20292207, 27056276, 40584414, 81168828]

約数ペア:

[(1, 81168828), (2, 40584414), (3, 27056276), (4, 20292207), (6, 13528138), (12, 6764069), (13, 6243756), (26, 3121878), (39, 2081252), (52, 1560939), (78, 1040626), (156, 520313)]