64921070

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41351}}^1$

素因数の和:41515

約数の個数: 16

約数和(自身を含む): 117605088

約数和(自身を除く): 52684018

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 41351, 82702, 206755, 413510, 6492107, 12984214, 32460535, 64921070]

約数ペア:

[(1, 64921070), (2, 32460535), (5, 12984214), (10, 6492107), (157, 413510), (314, 206755), (785, 82702), (1570, 41351)]