28778376

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1627}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 79706880

約数和(自身を除く): 50928504

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1474, 1608, 1627, 2211, 2948, 3254, 4422, 4881, 5896, 6508, 8844, 9762, 13016, 17688, 17897, 19524, 35794, 39048, 53691, 71588, 107382, 109009, 143176, 214764, 218018, 327027, 429528, 436036, 654054, 872072, 1199099, 1308108, 2398198, 2616216, 3597297, 4796396, 7194594, 9592792, 14389188, 28778376]

約数ペア:

[(1, 28778376), (2, 14389188), (3, 9592792), (4, 7194594), (6, 4796396), (8, 3597297), (11, 2616216), (12, 2398198), (22, 1308108), (24, 1199099), (33, 872072), (44, 654054), (66, 436036), (67, 429528), (88, 327027), (132, 218018), (134, 214764), (201, 143176), (264, 109009), (268, 107382), (402, 71588), (536, 53691), (737, 39048), (804, 35794), (1474, 19524), (1608, 17897), (1627, 17688), (2211, 13016), (2948, 9762), (3254, 8844), (4422, 6508), (4881, 5896)]