81809596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 161935200

約数和(自身を除く): 80125604

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 101, 164, 202, 404, 449, 451, 898, 902, 1111, 1796, 1804, 2222, 4141, 4444, 4939, 8282, 9878, 16564, 18409, 19756, 36818, 45349, 45551, 73636, 90698, 91102, 181396, 182204, 202499, 404998, 498839, 809996, 997678, 1859309, 1995356, 3718618, 7437236, 20452399, 40904798, 81809596]

約数ペア:

[(1, 81809596), (2, 40904798), (4, 20452399), (11, 7437236), (22, 3718618), (41, 1995356), (44, 1859309), (82, 997678), (101, 809996), (164, 498839), (202, 404998), (404, 202499), (449, 182204), (451, 181396), (898, 91102), (902, 90698), (1111, 73636), (1796, 45551), (1804, 45349), (2222, 36818), (4141, 19756), (4444, 18409), (4939, 16564), (8282, 9878)]