987384286

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1$

素因数の和:4217

約数の個数: 64

約数和(自身を含む): 1903104000

約数和(自身を除く): 915719714

約数列:

[1, 2, 7, 14, 19, 29, 31, 38, 58, 62, 133, 203, 217, 266, 406, 434, 551, 589, 899, 1102, 1178, 1798, 3857, 4123, 4129, 6293, 7714, 8246, 8258, 12586, 17081, 28903, 34162, 57806, 78451, 119567, 119741, 127999, 156902, 239134, 239482, 255998, 549157, 838187, 895993, 1098314, 1676374, 1791986, 2275079, 2431981, 3711971, 4550158, 4863962, 7423942, 15925553, 17023867, 25983797, 31851106, 34047734, 51967594, 70527449, 141054898, 493692143, 987384286]

約数ペア:

[(1, 987384286), (2, 493692143), (7, 141054898), (14, 70527449), (19, 51967594), (29, 34047734), (31, 31851106), (38, 25983797), (58, 17023867), (62, 15925553), (133, 7423942), (203, 4863962), (217, 4550158), (266, 3711971), (406, 2431981), (434, 2275079), (551, 1791986), (589, 1676374), (899, 1098314), (1102, 895993), (1178, 838187), (1798, 549157), (3857, 255998), (4123, 239482), (4129, 239134), (6293, 156902), (7714, 127999), (8246, 119741), (8258, 119567), (12586, 78451), (17081, 57806), (28903, 34162)]