81974354

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 72

約数和(自身を含む): 163021824

約数和(自身を除く): 81047470

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 121, 154, 217, 223, 242, 341, 434, 446, 539, 682, 847, 1078, 1519, 1561, 1694, 2387, 2453, 3038, 3122, 3751, 4774, 4906, 5929, 6913, 7502, 10927, 11858, 13826, 16709, 17171, 21854, 26257, 26983, 33418, 34342, 48391, 52514, 53966, 76043, 96782, 120197, 152086, 183799, 188881, 240394, 338737, 367598, 377762, 532301, 677474, 836473, 1064602, 1322167, 1672946, 2644334, 3726107, 5855311, 7452214, 11710622, 40987177, 81974354]

約数ペア:

[(1, 81974354), (2, 40987177), (7, 11710622), (11, 7452214), (14, 5855311), (22, 3726107), (31, 2644334), (49, 1672946), (62, 1322167), (77, 1064602), (98, 836473), (121, 677474), (154, 532301), (217, 377762), (223, 367598), (242, 338737), (341, 240394), (434, 188881), (446, 183799), (539, 152086), (682, 120197), (847, 96782), (1078, 76043), (1519, 53966), (1561, 52514), (1694, 48391), (2387, 34342), (2453, 33418), (3038, 26983), (3122, 26257), (3751, 21854), (4774, 17171), (4906, 16709), (5929, 13826), (6913, 11858), (7502, 10927)]