1664252655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{26423}}^1$

素因数の和:26480

約数の個数: 64

約数和(自身を含む): 3196247040

約数和(自身を除く): 1531994385

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 663, 741, 969, 1105, 1235, 1615, 3315, 3705, 4199, 4845, 12597, 20995, 26423, 62985, 79269, 132115, 343499, 396345, 449191, 502037, 1030497, 1347573, 1506111, 1717495, 2245955, 2510185, 5152485, 5839483, 6526481, 6737865, 7530555, 8534629, 17518449, 19579443, 25603887, 29197415, 32632405, 42673145, 87592245, 97897215, 110950177, 128019435, 332850531, 554750885, 1664252655]

約数ペア:

[(1, 1664252655), (3, 554750885), (5, 332850531), (13, 128019435), (15, 110950177), (17, 97897215), (19, 87592245), (39, 42673145), (51, 32632405), (57, 29197415), (65, 25603887), (85, 19579443), (95, 17518449), (195, 8534629), (221, 7530555), (247, 6737865), (255, 6526481), (285, 5839483), (323, 5152485), (663, 2510185), (741, 2245955), (969, 1717495), (1105, 1506111), (1235, 1347573), (1615, 1030497), (3315, 502037), (3705, 449191), (4199, 396345), (4845, 343499), (12597, 132115), (20995, 79269), (26423, 62985)]