66440570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{135593}}^1$

素因数の和:135614

約数の個数: 24

約数和(自身を含む): 139119444

約数和(自身を除く): 72678874

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 135593, 271186, 677965, 949151, 1355930, 1898302, 4745755, 6644057, 9491510, 13288114, 33220285, 66440570]

約数ペア:

[(1, 66440570), (2, 33220285), (5, 13288114), (7, 9491510), (10, 6644057), (14, 4745755), (35, 1898302), (49, 1355930), (70, 949151), (98, 677965), (245, 271186), (490, 135593)]