207685790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{122891}}^1$

素因数の和:122924

約数の個数: 24

約数和(自身を含む): 404806248

約数和(自身を除く): 197120458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 122891, 245782, 614455, 1228910, 1597583, 3195166, 7987915, 15975830, 20768579, 41537158, 103842895, 207685790]

約数ペア:

[(1, 207685790), (2, 103842895), (5, 41537158), (10, 20768579), (13, 15975830), (26, 7987915), (65, 3195166), (130, 1597583), (169, 1228910), (338, 614455), (845, 245782), (1690, 122891)]