217372805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{22147}}^1$

素因数の和:22316

約数の個数: 16

約数和(自身を含む): 282785664

約数和(自身を除く): 65412859

約数列:

[1, 5, 13, 65, 151, 755, 1963, 9815, 22147, 110735, 287911, 1439555, 3344197, 16720985, 43474561, 217372805]

約数ペア:

[(1, 217372805), (5, 43474561), (13, 16720985), (65, 3344197), (151, 1439555), (755, 287911), (1963, 110735), (9815, 22147)]