28357164

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 79082640

約数和(自身を除く): 50725476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 606, 709, 909, 1111, 1212, 1418, 1818, 2127, 2222, 2836, 3333, 3636, 4254, 4444, 6381, 6666, 7799, 8508, 9999, 12762, 13332, 15598, 19998, 23397, 25524, 31196, 39996, 46794, 70191, 71609, 93588, 140382, 143218, 214827, 280764, 286436, 429654, 644481, 787699, 859308, 1288962, 1575398, 2363097, 2577924, 3150796, 4726194, 7089291, 9452388, 14178582, 28357164]

約数ペア:

[(1, 28357164), (2, 14178582), (3, 9452388), (4, 7089291), (6, 4726194), (9, 3150796), (11, 2577924), (12, 2363097), (18, 1575398), (22, 1288962), (33, 859308), (36, 787699), (44, 644481), (66, 429654), (99, 286436), (101, 280764), (132, 214827), (198, 143218), (202, 140382), (303, 93588), (396, 71609), (404, 70191), (606, 46794), (709, 39996), (909, 31196), (1111, 25524), (1212, 23397), (1418, 19998), (1818, 15598), (2127, 13332), (2222, 12762), (2836, 9999), (3333, 8508), (3636, 7799), (4254, 6666), (4444, 6381)]