89777168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431621}}^1$

素因数の和:431642

約数の個数: 20

約数和(自身を含む): 187323948

約数和(自身を除く): 97546780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431621, 863242, 1726484, 3452968, 5611073, 6905936, 11222146, 22444292, 44888584, 89777168]

約数ペア:

[(1, 89777168), (2, 44888584), (4, 22444292), (8, 11222146), (13, 6905936), (16, 5611073), (26, 3452968), (52, 1726484), (104, 863242), (208, 431621)]