1663293872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2399}}^1\times {\mathrm{2549}}^1$

素因数の和:4973

約数の個数: 40

約数和(自身を含む): 3414960000

約数和(自身を除く): 1751666128

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2399, 2549, 4798, 5098, 9596, 10196, 19192, 20392, 38384, 40783, 40784, 43333, 81566, 86666, 163132, 173332, 326264, 346664, 652528, 693328, 6115051, 12230102, 24460204, 48920408, 97840816, 103955867, 207911734, 415823468, 831646936, 1663293872]

約数ペア:

[(1, 1663293872), (2, 831646936), (4, 415823468), (8, 207911734), (16, 103955867), (17, 97840816), (34, 48920408), (68, 24460204), (136, 12230102), (272, 6115051), (2399, 693328), (2549, 652528), (4798, 346664), (5098, 326264), (9596, 173332), (10196, 163132), (19192, 86666), (20392, 81566), (38384, 43333), (40783, 40784)]