208705804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2411}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 413320320

約数和(自身を除く): 204614516

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 268, 323, 646, 1139, 1273, 1292, 2278, 2411, 2546, 4556, 4822, 5092, 9644, 21641, 40987, 43282, 45809, 81974, 86564, 91618, 161537, 163948, 183236, 323074, 646148, 778753, 1557506, 2746129, 3069203, 3115012, 5492258, 6138406, 10984516, 12276812, 52176451, 104352902, 208705804]

約数ペア:

[(1, 208705804), (2, 104352902), (4, 52176451), (17, 12276812), (19, 10984516), (34, 6138406), (38, 5492258), (67, 3115012), (68, 3069203), (76, 2746129), (134, 1557506), (268, 778753), (323, 646148), (646, 323074), (1139, 183236), (1273, 163948), (1292, 161537), (2278, 91618), (2411, 86564), (2546, 81974), (4556, 45809), (4822, 43282), (5092, 40987), (9644, 21641)]