81262984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 91467896

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 101, 164, 202, 223, 328, 404, 446, 451, 808, 892, 902, 1111, 1784, 1804, 2222, 2453, 3608, 4141, 4444, 4906, 8282, 8888, 9143, 9812, 16564, 18286, 19624, 22523, 33128, 36572, 45046, 45551, 73144, 90092, 91102, 100573, 180184, 182204, 201146, 247753, 364408, 402292, 495506, 804584, 923443, 991012, 1846886, 1982024, 3693772, 7387544, 10157873, 20315746, 40631492, 81262984]

約数ペア:

[(1, 81262984), (2, 40631492), (4, 20315746), (8, 10157873), (11, 7387544), (22, 3693772), (41, 1982024), (44, 1846886), (82, 991012), (88, 923443), (101, 804584), (164, 495506), (202, 402292), (223, 364408), (328, 247753), (404, 201146), (446, 182204), (451, 180184), (808, 100573), (892, 91102), (902, 90092), (1111, 73144), (1784, 45551), (1804, 45046), (2222, 36572), (2453, 33128), (3608, 22523), (4141, 19624), (4444, 18286), (4906, 16564), (8282, 9812), (8888, 9143)]