28388738

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 23019262

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 1421, 1427, 2842, 2854, 9947, 9989, 19894, 19978, 41383, 69923, 82766, 139846, 289681, 489461, 579362, 978922, 2027767, 4055534, 14194369, 28388738]

約数ペア:

[(1, 28388738), (2, 14194369), (7, 4055534), (14, 2027767), (29, 978922), (49, 579362), (58, 489461), (98, 289681), (203, 139846), (343, 82766), (406, 69923), (686, 41383), (1421, 19978), (1427, 19894), (2842, 9989), (2854, 9947)]