28121996

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 31148404

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 59, 116, 118, 203, 236, 406, 413, 587, 812, 826, 1174, 1652, 1711, 2348, 3422, 4109, 6844, 8218, 11977, 16436, 17023, 23954, 34046, 34633, 47908, 68092, 69266, 119161, 138532, 238322, 242431, 476644, 484862, 969724, 1004357, 2008714, 4017428, 7030499, 14060998, 28121996]

約数ペア:

[(1, 28121996), (2, 14060998), (4, 7030499), (7, 4017428), (14, 2008714), (28, 1004357), (29, 969724), (58, 484862), (59, 476644), (116, 242431), (118, 238322), (203, 138532), (236, 119161), (406, 69266), (413, 68092), (587, 47908), (812, 34633), (826, 34046), (1174, 23954), (1652, 17023), (1711, 16436), (2348, 11977), (3422, 8218), (4109, 6844)]