8639216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 17759280

約数和(自身を除く): 9120064

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 433, 464, 688, 866, 1247, 1732, 2494, 3464, 4988, 6928, 9976, 12557, 18619, 19952, 25114, 37238, 50228, 74476, 100456, 148952, 200912, 297904, 539951, 1079902, 2159804, 4319608, 8639216]

約数ペア:

[(1, 8639216), (2, 4319608), (4, 2159804), (8, 1079902), (16, 539951), (29, 297904), (43, 200912), (58, 148952), (86, 100456), (116, 74476), (172, 50228), (232, 37238), (344, 25114), (433, 19952), (464, 18619), (688, 12557), (866, 9976), (1247, 6928), (1732, 4988), (2494, 3464)]