68987905

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{22147}}^1$

素因数の和:22248

約数の個数: 16

約数和(自身を含む): 95679360

約数和(自身を除く): 26691455

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 22147, 110735, 155029, 775145, 1971083, 9855415, 13797581, 68987905]

約数ペア:

[(1, 68987905), (5, 13797581), (7, 9855415), (35, 1971083), (89, 775145), (445, 155029), (623, 110735), (3115, 22147)]