16651986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 37051392

約数和(自身を除く): 20399406

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 127, 246, 254, 381, 533, 762, 1066, 1599, 1651, 1681, 3198, 3302, 3362, 4953, 5043, 5207, 9906, 10086, 10414, 15621, 21853, 31242, 43706, 65559, 67691, 131118, 135382, 203073, 213487, 406146, 426974, 640461, 1280922, 2775331, 5550662, 8325993, 16651986]

約数ペア:

[(1, 16651986), (2, 8325993), (3, 5550662), (6, 2775331), (13, 1280922), (26, 640461), (39, 426974), (41, 406146), (78, 213487), (82, 203073), (123, 135382), (127, 131118), (246, 67691), (254, 65559), (381, 43706), (533, 31242), (762, 21853), (1066, 15621), (1599, 10414), (1651, 10086), (1681, 9906), (3198, 5207), (3302, 5043), (3362, 4953)]