645126508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2053}}^1\times {\mathrm{6043}}^1$

素因数の和:8113

約数の個数: 24

約数和(自身を含む): 1216608848

約数和(自身を除く): 571482340

約数列:

[1, 2, 4, 13, 26, 52, 2053, 4106, 6043, 8212, 12086, 24172, 26689, 53378, 78559, 106756, 157118, 314236, 12406279, 24812558, 49625116, 161281627, 322563254, 645126508]

約数ペア:

[(1, 645126508), (2, 322563254), (4, 161281627), (13, 49625116), (26, 24812558), (52, 12406279), (2053, 314236), (4106, 157118), (6043, 106756), (8212, 78559), (12086, 53378), (24172, 26689)]