66858584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{642871}}^1$

素因数の和:642890

約数の個数: 16

約数和(自身を含む): 135003120

約数和(自身を除く): 68144536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 642871, 1285742, 2571484, 5142968, 8357323, 16714646, 33429292, 66858584]

約数ペア:

[(1, 66858584), (2, 33429292), (4, 16714646), (8, 8357323), (13, 5142968), (26, 2571484), (52, 1285742), (104, 642871)]