28980828

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3928

約数の個数: 60

約数和(自身を含む): 79075920

約数和(自身を除く): 50095092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 3726, 3889, 7452, 7778, 11667, 15556, 23334, 35001, 46668, 70002, 89447, 105003, 140004, 178894, 210006, 268341, 315009, 357788, 420012, 536682, 630018, 805023, 1073364, 1260036, 1610046, 2415069, 3220092, 4830138, 7245207, 9660276, 14490414, 28980828]

約数ペア:

[(1, 28980828), (2, 14490414), (3, 9660276), (4, 7245207), (6, 4830138), (9, 3220092), (12, 2415069), (18, 1610046), (23, 1260036), (27, 1073364), (36, 805023), (46, 630018), (54, 536682), (69, 420012), (81, 357788), (92, 315009), (108, 268341), (138, 210006), (162, 178894), (207, 140004), (276, 105003), (324, 89447), (414, 70002), (621, 46668), (828, 35001), (1242, 23334), (1863, 15556), (2484, 11667), (3726, 7778), (3889, 7452)]