64996321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 81527040

約数和(自身を除く): 16530719

約数列:

[1, 13, 17, 19, 23, 221, 247, 299, 323, 391, 437, 673, 4199, 5083, 5681, 7429, 8749, 11441, 12787, 15479, 96577, 148733, 166231, 201227, 217379, 263143, 294101, 2825927, 3420859, 3823313, 4999717, 64996321]

約数ペア:

[(1, 64996321), (13, 4999717), (17, 3823313), (19, 3420859), (23, 2825927), (221, 294101), (247, 263143), (299, 217379), (323, 201227), (391, 166231), (437, 148733), (673, 96577), (4199, 15479), (5083, 12787), (5681, 11441), (7429, 8749)]