198729122540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{764342779}}^1$

素因数の和:764342801

約数の個数: 24

約数和(自身を含む): 449433554640

約数和(自身を除く): 250704432100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 764342779, 1528685558, 3057371116, 3821713895, 7643427790, 9936456127, 15286855580, 19872912254, 39745824508, 49682280635, 99364561270, 198729122540]

約数ペア:

[(1, 198729122540), (2, 99364561270), (4, 49682280635), (5, 39745824508), (10, 19872912254), (13, 15286855580), (20, 9936456127), (26, 7643427790), (52, 3821713895), (65, 3057371116), (130, 1528685558), (260, 764342779)]