28415870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9901}}^1$

素因数の和:9956

約数の個数: 32

約数和(自身を含む): 59887296

約数和(自身を除く): 31471426

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 9901, 19802, 49505, 69307, 99010, 138614, 346535, 405941, 693070, 811882, 2029705, 2841587, 4059410, 5683174, 14207935, 28415870]

約数ペア:

[(1, 28415870), (2, 14207935), (5, 5683174), (7, 4059410), (10, 2841587), (14, 2029705), (35, 811882), (41, 693070), (70, 405941), (82, 346535), (205, 138614), (287, 99010), (410, 69307), (574, 49505), (1435, 19802), (2870, 9901)]