664761498

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1560473}}^1$

素因数の和:1560549

約数の個数: 16

約数和(自身を含む): 1348249536

約数和(自身を除く): 683488038

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1560473, 3120946, 4681419, 9362838, 110793583, 221587166, 332380749, 664761498]

約数ペア:

[(1, 664761498), (2, 332380749), (3, 221587166), (6, 110793583), (71, 9362838), (142, 4681419), (213, 3120946), (426, 1560473)]