647542578

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{2729}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 1316165760

約数和(自身を除く): 668623182

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 557, 1114, 1671, 2729, 3342, 5458, 8187, 16374, 39547, 79094, 118641, 193759, 237282, 387518, 581277, 1162554, 1520053, 3040106, 4560159, 9120318, 107923763, 215847526, 323771289, 647542578]

約数ペア:

[(1, 647542578), (2, 323771289), (3, 215847526), (6, 107923763), (71, 9120318), (142, 4560159), (213, 3040106), (426, 1520053), (557, 1162554), (1114, 581277), (1671, 387518), (2729, 237282), (3342, 193759), (5458, 118641), (8187, 79094), (16374, 39547)]