129151490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{76421}}^1$

素因数の和:76454

約数の個数: 24

約数和(自身を含む): 251734068

約数和(自身を除く): 122582578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 76421, 152842, 382105, 764210, 993473, 1986946, 4967365, 9934730, 12915149, 25830298, 64575745, 129151490]

約数ペア:

[(1, 129151490), (2, 64575745), (5, 25830298), (10, 12915149), (13, 9934730), (26, 4967365), (65, 1986946), (130, 993473), (169, 764210), (338, 382105), (845, 152842), (1690, 76421)]