858478090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{16487}}^1$

素因数の和:16662

約数の個数: 32

約数和(自身を含む): 1595510784

約数和(自身を除く): 737032694

約数列:

[1, 2, 5, 10, 41, 82, 127, 205, 254, 410, 635, 1270, 5207, 10414, 16487, 26035, 32974, 52070, 82435, 164870, 675967, 1351934, 2093849, 3379835, 4187698, 6759670, 10469245, 20938490, 85847809, 171695618, 429239045, 858478090]

約数ペア:

[(1, 858478090), (2, 429239045), (5, 171695618), (10, 85847809), (41, 20938490), (82, 10469245), (127, 6759670), (205, 4187698), (254, 3379835), (410, 2093849), (635, 1351934), (1270, 675967), (5207, 164870), (10414, 82435), (16487, 52070), (26035, 32974)]