28526778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 75404160

約数和(自身を除く): 46877382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 37, 42, 58, 63, 74, 87, 111, 126, 174, 203, 211, 222, 259, 261, 333, 406, 422, 518, 522, 609, 633, 666, 777, 1073, 1218, 1266, 1477, 1554, 1827, 1899, 2146, 2331, 2954, 3219, 3654, 3798, 4431, 4662, 6119, 6438, 7511, 7807, 8862, 9657, 12238, 13293, 15022, 15614, 18357, 19314, 22533, 23421, 26586, 36714, 42833, 45066, 46842, 54649, 55071, 67599, 70263, 85666, 109298, 110142, 128499, 135198, 140526, 163947, 226403, 256998, 327894, 385497, 452806, 491841, 679209, 770994, 983682, 1358418, 1584821, 2037627, 3169642, 4075254, 4754463, 9508926, 14263389, 28526778]

約数ペア:

[(1, 28526778), (2, 14263389), (3, 9508926), (6, 4754463), (7, 4075254), (9, 3169642), (14, 2037627), (18, 1584821), (21, 1358418), (29, 983682), (37, 770994), (42, 679209), (58, 491841), (63, 452806), (74, 385497), (87, 327894), (111, 256998), (126, 226403), (174, 163947), (203, 140526), (211, 135198), (222, 128499), (259, 110142), (261, 109298), (333, 85666), (406, 70263), (422, 67599), (518, 55071), (522, 54649), (609, 46842), (633, 45066), (666, 42833), (777, 36714), (1073, 26586), (1218, 23421), (1266, 22533), (1477, 19314), (1554, 18357), (1827, 15614), (1899, 15022), (2146, 13293), (2331, 12238), (2954, 9657), (3219, 8862), (3654, 7807), (3798, 7511), (4431, 6438), (4662, 6119)]