64806145

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 79082640

約数和(自身を除く): 14276495

約数列:

[1, 5, 101, 181, 505, 709, 905, 3545, 18281, 71609, 91405, 128329, 358045, 641645, 12961229, 64806145]

約数ペア:

[(1, 64806145), (5, 12961229), (101, 641645), (181, 358045), (505, 128329), (709, 91405), (905, 71609), (3545, 18281)]