28428876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3049}}^1$

素因数の和:3103

約数の個数: 72

約数和(自身を含む): 84375200

約数和(自身を除く): 55946324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3049, 3108, 4662, 6098, 9147, 9324, 12196, 18294, 21343, 27441, 36588, 42686, 54882, 64029, 85372, 109764, 112813, 128058, 192087, 225626, 256116, 338439, 384174, 451252, 676878, 768348, 789691, 1015317, 1353756, 1579382, 2030634, 2369073, 3158764, 4061268, 4738146, 7107219, 9476292, 14214438, 28428876]

約数ペア:

[(1, 28428876), (2, 14214438), (3, 9476292), (4, 7107219), (6, 4738146), (7, 4061268), (9, 3158764), (12, 2369073), (14, 2030634), (18, 1579382), (21, 1353756), (28, 1015317), (36, 789691), (37, 768348), (42, 676878), (63, 451252), (74, 384174), (84, 338439), (111, 256116), (126, 225626), (148, 192087), (222, 128058), (252, 112813), (259, 109764), (333, 85372), (444, 64029), (518, 54882), (666, 42686), (777, 36588), (1036, 27441), (1332, 21343), (1554, 18294), (2331, 12196), (3049, 9324), (3108, 9147), (4662, 6098)]