639161036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{22433}}^1$

素因数の和:22873

約数の個数: 24

約数和(自身を含む): 1187207280

約数和(自身を除く): 548046244

約数列:

[1, 2, 4, 17, 34, 68, 419, 838, 1676, 7123, 14246, 22433, 28492, 44866, 89732, 381361, 762722, 1525444, 9399427, 18798854, 37597708, 159790259, 319580518, 639161036]

約数ペア:

[(1, 639161036), (2, 319580518), (4, 159790259), (17, 37597708), (34, 18798854), (68, 9399427), (419, 1525444), (838, 762722), (1676, 381361), (7123, 89732), (14246, 44866), (22433, 28492)]