28011564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3833}}^1$

素因数の和:3879

約数の個数: 72

約数和(自身を含む): 83734560

約数和(自身を除く): 55722996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 3833, 7308, 7666, 11499, 15332, 22998, 26831, 34497, 45996, 53662, 68994, 80493, 107324, 111157, 137988, 160986, 222314, 241479, 321972, 333471, 444628, 482958, 666942, 778099, 965916, 1000413, 1333884, 1556198, 2000826, 2334297, 3112396, 4001652, 4668594, 7002891, 9337188, 14005782, 28011564]

約数ペア:

[(1, 28011564), (2, 14005782), (3, 9337188), (4, 7002891), (6, 4668594), (7, 4001652), (9, 3112396), (12, 2334297), (14, 2000826), (18, 1556198), (21, 1333884), (28, 1000413), (29, 965916), (36, 778099), (42, 666942), (58, 482958), (63, 444628), (84, 333471), (87, 321972), (116, 241479), (126, 222314), (174, 160986), (203, 137988), (252, 111157), (261, 107324), (348, 80493), (406, 68994), (522, 53662), (609, 45996), (812, 34497), (1044, 26831), (1218, 22998), (1827, 15332), (2436, 11499), (3654, 7666), (3833, 7308)]