81246828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{520813}}^1$

素因数の和:520833

約数の個数: 24

約数和(自身を含む): 204159088

約数和(自身を除く): 122912260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 520813, 1041626, 1562439, 2083252, 3124878, 6249756, 6770569, 13541138, 20311707, 27082276, 40623414, 81246828]

約数ペア:

[(1, 81246828), (2, 40623414), (3, 27082276), (4, 20311707), (6, 13541138), (12, 6770569), (13, 6249756), (26, 3124878), (39, 2083252), (52, 1562439), (78, 1041626), (156, 520813)]