81805584

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243469}}^1$

素因数の和:243487

約数の個数: 40

約数和(自身を含む): 241522240

約数和(自身を除く): 159716656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243469, 486938, 730407, 973876, 1460814, 1704283, 1947752, 2921628, 3408566, 3895504, 5112849, 5843256, 6817132, 10225698, 11686512, 13634264, 20451396, 27268528, 40902792, 81805584]

約数ペア:

[(1, 81805584), (2, 40902792), (3, 27268528), (4, 20451396), (6, 13634264), (7, 11686512), (8, 10225698), (12, 6817132), (14, 5843256), (16, 5112849), (21, 3895504), (24, 3408566), (28, 2921628), (42, 1947752), (48, 1704283), (56, 1460814), (84, 973876), (112, 730407), (168, 486938), (336, 243469)]