77908790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{15803}}^1$

素因数の和:15856

約数の個数: 32

約数和(自身を含む): 153614880

約数和(自身を除く): 75706090

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 15803, 31606, 79015, 158030, 268651, 458287, 537302, 916574, 1343255, 2291435, 2686510, 4582870, 7790879, 15581758, 38954395, 77908790]

約数ペア:

[(1, 77908790), (2, 38954395), (5, 15581758), (10, 7790879), (17, 4582870), (29, 2686510), (34, 2291435), (58, 1343255), (85, 916574), (145, 537302), (170, 458287), (290, 268651), (493, 158030), (986, 79015), (2465, 31606), (4930, 15803)]