64668290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{72661}}^1$

素因数の和:72757

約数の個数: 16

約数和(自身を含む): 117712440

約数和(自身を除く): 53044150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 72661, 145322, 363305, 726610, 6466829, 12933658, 32334145, 64668290]

約数ペア:

[(1, 64668290), (2, 32334145), (5, 12933658), (10, 6466829), (89, 726610), (178, 363305), (445, 145322), (890, 72661)]