91505090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{65831}}^1$

素因数の和:65977

約数の個数: 16

約数和(自身を含む): 165896640

約数和(自身を除く): 74391550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 65831, 131662, 329155, 658310, 9150509, 18301018, 45752545, 91505090]

約数ペア:

[(1, 91505090), (2, 45752545), (5, 18301018), (10, 9150509), (139, 658310), (278, 329155), (695, 131662), (1390, 65831)]