28221776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3911}}^1$

素因数の和:3971

約数の個数: 40

約数和(自身を含む): 61121088

約数和(自身を除く): 32899312

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 3911, 7216, 7822, 15644, 31288, 43021, 62576, 86042, 160351, 172084, 320702, 344168, 641404, 688336, 1282808, 1763861, 2565616, 3527722, 7055444, 14110888, 28221776]

約数ペア:

[(1, 28221776), (2, 14110888), (4, 7055444), (8, 3527722), (11, 2565616), (16, 1763861), (22, 1282808), (41, 688336), (44, 641404), (82, 344168), (88, 320702), (164, 172084), (176, 160351), (328, 86042), (451, 62576), (656, 43021), (902, 31288), (1804, 15644), (3608, 7822), (3911, 7216)]