28581588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3911}}^1$

素因数の和:3957

約数の個数: 72

約数和(自身を含む): 85438080

約数和(自身を除く): 56856492

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, 3911, 7308, 7822, 11733, 15644, 23466, 27377, 35199, 46932, 54754, 70398, 82131, 109508, 113419, 140796, 164262, 226838, 246393, 328524, 340257, 453676, 492786, 680514, 793933, 985572, 1020771, 1361028, 1587866, 2041542, 2381799, 3175732, 4083084, 4763598, 7145397, 9527196, 14290794, 28581588]

約数ペア:

[(1, 28581588), (2, 14290794), (3, 9527196), (4, 7145397), (6, 4763598), (7, 4083084), (9, 3175732), (12, 2381799), (14, 2041542), (18, 1587866), (21, 1361028), (28, 1020771), (29, 985572), (36, 793933), (42, 680514), (58, 492786), (63, 453676), (84, 340257), (87, 328524), (116, 246393), (126, 226838), (174, 164262), (203, 140796), (252, 113419), (261, 109508), (348, 82131), (406, 70398), (522, 54754), (609, 46932), (812, 35199), (1044, 27377), (1218, 23466), (1827, 15644), (2436, 11733), (3654, 7822), (3911, 7308)]