28000955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 37407744

約数和(自身を除く): 9406789

約数列:

[1, 5, 17, 43, 47, 85, 163, 215, 235, 731, 799, 815, 2021, 2771, 3655, 3995, 7009, 7661, 10105, 13855, 34357, 35045, 38305, 119153, 130237, 171785, 329423, 595765, 651185, 1647115, 5600191, 28000955]

約数ペア:

[(1, 28000955), (5, 5600191), (17, 1647115), (43, 651185), (47, 595765), (85, 329423), (163, 171785), (215, 130237), (235, 119153), (731, 38305), (799, 35045), (815, 34357), (2021, 13855), (2771, 10105), (3655, 7661), (3995, 7009)]