2108687905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{670489}}^1$

素因数の和:670548

約数の個数: 16

約数和(自身を含む): 2751690960

約数和(自身を除く): 643003055

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 670489, 3352445, 11398313, 24808093, 56991565, 124040465, 421737581, 2108687905]

約数ペア:

[(1, 2108687905), (5, 421737581), (17, 124040465), (37, 56991565), (85, 24808093), (185, 11398313), (629, 3352445), (3145, 670489)]