640748162

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1\times {\mathrm{3517}}^1$

素因数の和:4873

約数の個数: 16

約数和(自身を含む): 975696192

約数和(自身を除く): 334948030

約数列:

[1, 2, 71, 142, 1283, 2566, 3517, 7034, 91093, 182186, 249707, 499414, 4512311, 9024622, 320374081, 640748162]

約数ペア:

[(1, 640748162), (2, 320374081), (71, 9024622), (142, 4512311), (1283, 499414), (2566, 249707), (3517, 182186), (7034, 91093)]