178128890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{9613}}^1$

素因数の和:9746

約数の個数: 32

約数和(自身を含む): 342642960

約数和(自身を除く): 164514070

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 9613, 18530, 19226, 48065, 96130, 163421, 326842, 817105, 1047817, 1634210, 2095634, 5239085, 10478170, 17812889, 35625778, 89064445, 178128890]

約数ペア:

[(1, 178128890), (2, 89064445), (5, 35625778), (10, 17812889), (17, 10478170), (34, 5239085), (85, 2095634), (109, 1634210), (170, 1047817), (218, 817105), (545, 326842), (1090, 163421), (1853, 96130), (3706, 48065), (9265, 19226), (9613, 18530)]