128242556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{36809}}^1$

素因数の和:36893

約数の個数: 24

約数和(自身を含む): 245301840

約数和(自身を除く): 117059284

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 36809, 73618, 147236, 478517, 957034, 1914068, 2466203, 4932406, 9864812, 32060639, 64121278, 128242556]

約数ペア:

[(1, 128242556), (2, 64121278), (4, 32060639), (13, 9864812), (26, 4932406), (52, 2466203), (67, 1914068), (134, 957034), (268, 478517), (871, 147236), (1742, 73618), (3484, 36809)]