28910098

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 26904302

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 67, 74, 98, 119, 134, 238, 259, 343, 469, 518, 629, 686, 833, 938, 1139, 1258, 1666, 1813, 2278, 2479, 3283, 3626, 4403, 4958, 5831, 6566, 7973, 8806, 11662, 12691, 15946, 17353, 22981, 25382, 30821, 34706, 42143, 45962, 55811, 61642, 84286, 111622, 121471, 215747, 242942, 295001, 390677, 431494, 590002, 781354, 850297, 1700594, 2065007, 4130014, 14455049, 28910098]

約数ペア:

[(1, 28910098), (2, 14455049), (7, 4130014), (14, 2065007), (17, 1700594), (34, 850297), (37, 781354), (49, 590002), (67, 431494), (74, 390677), (98, 295001), (119, 242942), (134, 215747), (238, 121471), (259, 111622), (343, 84286), (469, 61642), (518, 55811), (629, 45962), (686, 42143), (833, 34706), (938, 30821), (1139, 25382), (1258, 22981), (1666, 17353), (1813, 15946), (2278, 12691), (2479, 11662), (3283, 8806), (3626, 7973), (4403, 6566), (4958, 5831)]