157796290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{941}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 291982320

約数和(自身を除く): 134186030

約数列:

[1, 2, 5, 10, 41, 82, 205, 409, 410, 818, 941, 1882, 2045, 4090, 4705, 9410, 16769, 33538, 38581, 77162, 83845, 167690, 192905, 384869, 385810, 769738, 1924345, 3848690, 15779629, 31559258, 78898145, 157796290]

約数ペア:

[(1, 157796290), (2, 78898145), (5, 31559258), (10, 15779629), (41, 3848690), (82, 1924345), (205, 769738), (409, 385810), (410, 384869), (818, 192905), (941, 167690), (1882, 83845), (2045, 77162), (4090, 38581), (4705, 33538), (9410, 16769)]