319098650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{490921}}^1$

素因数の和:490946

約数の個数: 24

約数和(自身を含む): 639180444

約数和(自身を除く): 320081794

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 490921, 981842, 2454605, 4909210, 6381973, 12273025, 12763946, 24546050, 31909865, 63819730, 159549325, 319098650]

約数ペア:

[(1, 319098650), (2, 159549325), (5, 63819730), (10, 31909865), (13, 24546050), (25, 12763946), (26, 12273025), (50, 6381973), (65, 4909210), (130, 2454605), (325, 981842), (650, 490921)]