207898090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{670639}}^1$

素因数の和:670677

約数の個数: 16

約数和(自身を含む): 386288640

約数和(自身を除く): 178390550

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 670639, 1341278, 3353195, 6706390, 20789809, 41579618, 103949045, 207898090]

約数ペア:

[(1, 207898090), (2, 103949045), (5, 41579618), (10, 20789809), (31, 6706390), (62, 3353195), (155, 1341278), (310, 670639)]