28143108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3851}}^1$

素因数の和:3897

約数の個数: 72

約数和(自身を含む): 84127680

約数和(自身を除く): 55984572

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, 3851, 7308, 7702, 11553, 15404, 23106, 26957, 34659, 46212, 53914, 69318, 80871, 107828, 111679, 138636, 161742, 223358, 242613, 323484, 335037, 446716, 485226, 670074, 781753, 970452, 1005111, 1340148, 1563506, 2010222, 2345259, 3127012, 4020444, 4690518, 7035777, 9381036, 14071554, 28143108]

約数ペア:

[(1, 28143108), (2, 14071554), (3, 9381036), (4, 7035777), (6, 4690518), (7, 4020444), (9, 3127012), (12, 2345259), (14, 2010222), (18, 1563506), (21, 1340148), (28, 1005111), (29, 970452), (36, 781753), (42, 670074), (58, 485226), (63, 446716), (84, 335037), (87, 323484), (116, 242613), (126, 223358), (174, 161742), (203, 138636), (252, 111679), (261, 107828), (348, 80871), (406, 69318), (522, 53914), (609, 46212), (812, 34659), (1044, 26957), (1218, 23106), (1827, 15404), (2436, 11553), (3654, 7702), (3851, 7308)]