81867232

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 170372160

約数和(自身を除く): 88504928

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 94, 116, 188, 232, 376, 464, 752, 928, 1363, 1504, 1877, 2726, 3754, 5452, 7508, 10904, 15016, 21808, 30032, 43616, 54433, 60064, 88219, 108866, 176438, 217732, 352876, 435464, 705752, 870928, 1411504, 1741856, 2558351, 2823008, 5116702, 10233404, 20466808, 40933616, 81867232]

約数ペア:

[(1, 81867232), (2, 40933616), (4, 20466808), (8, 10233404), (16, 5116702), (29, 2823008), (32, 2558351), (47, 1741856), (58, 1411504), (94, 870928), (116, 705752), (188, 435464), (232, 352876), (376, 217732), (464, 176438), (752, 108866), (928, 88219), (1363, 60064), (1504, 54433), (1877, 43616), (2726, 30032), (3754, 21808), (5452, 15016), (7508, 10904)]