68238905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 97658880

約数和(自身を除く): 29419975

約数列:

[1, 5, 7, 31, 35, 109, 155, 217, 545, 577, 763, 1085, 2885, 3379, 3815, 4039, 16895, 17887, 20195, 23653, 62893, 89435, 118265, 125209, 314465, 440251, 626045, 1949683, 2201255, 9748415, 13647781, 68238905]

約数ペア:

[(1, 68238905), (5, 13647781), (7, 9748415), (31, 2201255), (35, 1949683), (109, 626045), (155, 440251), (217, 314465), (545, 125209), (577, 118265), (763, 89435), (1085, 62893), (2885, 23653), (3379, 20195), (3815, 17887), (4039, 16895)]