261852630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{671417}}^1$

素因数の和:671440

約数の個数: 32

約数和(自身を含む): 676789344

約数和(自身を除く): 414936714

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 671417, 1342834, 2014251, 3357085, 4028502, 6714170, 8728421, 10071255, 17456842, 20142510, 26185263, 43642105, 52370526, 87284210, 130926315, 261852630]

約数ペア:

[(1, 261852630), (2, 130926315), (3, 87284210), (5, 52370526), (6, 43642105), (10, 26185263), (13, 20142510), (15, 17456842), (26, 10071255), (30, 8728421), (39, 6714170), (65, 4028502), (78, 3357085), (130, 2014251), (195, 1342834), (390, 671417)]