851209295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{503}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 1111283712

約数和(自身を除く): 260074417

約数列:

[1, 5, 17, 43, 85, 215, 463, 503, 731, 2315, 2515, 3655, 7871, 8551, 19909, 21629, 39355, 42755, 99545, 108145, 232889, 338453, 367693, 1164445, 1692265, 1838465, 3959113, 10014227, 19795565, 50071135, 170241859, 851209295]

約数ペア:

[(1, 851209295), (5, 170241859), (17, 50071135), (43, 19795565), (85, 10014227), (215, 3959113), (463, 1838465), (503, 1692265), (731, 1164445), (2315, 367693), (2515, 338453), (3655, 232889), (7871, 108145), (8551, 99545), (19909, 42755), (21629, 39355)]