131531010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25943}}^1$

素因数の和:25979

約数の個数: 48

約数和(自身を含む): 341838144

約数和(自身を除く): 210307134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 5070, 25943, 51886, 77829, 129715, 155658, 259430, 337259, 389145, 674518, 778290, 1011777, 1686295, 2023554, 3372590, 4384367, 5058885, 8768734, 10117770, 13153101, 21921835, 26306202, 43843670, 65765505, 131531010]

約数ペア:

[(1, 131531010), (2, 65765505), (3, 43843670), (5, 26306202), (6, 21921835), (10, 13153101), (13, 10117770), (15, 8768734), (26, 5058885), (30, 4384367), (39, 3372590), (65, 2023554), (78, 1686295), (130, 1011777), (169, 778290), (195, 674518), (338, 389145), (390, 337259), (507, 259430), (845, 155658), (1014, 129715), (1690, 77829), (2535, 51886), (5070, 25943)]