1281139712

素因数分解:

$2^{10}\times {\mathrm{199}}^1\times {\mathrm{6287}}^1$

素因数の和:6506

約数の個数: 44

約数和(自身を含む): 2574307200

約数和(自身を除く): 1293167488

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 512, 796, 1024, 1592, 3184, 6287, 6368, 12574, 12736, 25148, 25472, 50296, 50944, 100592, 101888, 201184, 203776, 402368, 804736, 1251113, 1609472, 2502226, 3218944, 5004452, 6437888, 10008904, 20017808, 40035616, 80071232, 160142464, 320284928, 640569856, 1281139712]

約数ペア:

[(1, 1281139712), (2, 640569856), (4, 320284928), (8, 160142464), (16, 80071232), (32, 40035616), (64, 20017808), (128, 10008904), (199, 6437888), (256, 5004452), (398, 3218944), (512, 2502226), (796, 1609472), (1024, 1251113), (1592, 804736), (3184, 402368), (6287, 203776), (6368, 201184), (12574, 101888), (12736, 100592), (25148, 50944), (25472, 50296)]