253131710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{36739}}^1$

素因数の和:36812

約数の個数: 32

約数和(自身を含む): 499957920

約数和(自身を除く): 246826210

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 36739, 73478, 183695, 367390, 477607, 955214, 1947167, 2388035, 3894334, 4776070, 9735835, 19471670, 25313171, 50626342, 126565855, 253131710]

約数ペア:

[(1, 253131710), (2, 126565855), (5, 50626342), (10, 25313171), (13, 19471670), (26, 9735835), (53, 4776070), (65, 3894334), (106, 2388035), (130, 1947167), (265, 955214), (530, 477607), (689, 367390), (1378, 183695), (3445, 73478), (6890, 36739)]