646809970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{10739}}^1$

素因数の和:11082

約数の個数: 32

約数和(自身を含む): 1229515200

約数和(自身を除く): 582705230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 317, 634, 1585, 3170, 6023, 10739, 12046, 21478, 30115, 53695, 60230, 107390, 204041, 408082, 1020205, 2040410, 3404263, 6808526, 17021315, 34042630, 64680997, 129361994, 323404985, 646809970]

約数ペア:

[(1, 646809970), (2, 323404985), (5, 129361994), (10, 64680997), (19, 34042630), (38, 17021315), (95, 6808526), (190, 3404263), (317, 2040410), (634, 1020205), (1585, 408082), (3170, 204041), (6023, 107390), (10739, 60230), (12046, 53695), (21478, 30115)]