28713564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2391

約数の個数: 72

約数和(自身を含む): 81768960

約数和(自身を除く): 53055396

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 2046, 2339, 3069, 4092, 4678, 6138, 7017, 9356, 12276, 14034, 21051, 25729, 28068, 42102, 51458, 72509, 77187, 84204, 102916, 145018, 154374, 217527, 231561, 290036, 308748, 435054, 463122, 652581, 797599, 870108, 926244, 1305162, 1595198, 2392797, 2610324, 3190396, 4785594, 7178391, 9571188, 14356782, 28713564]

約数ペア:

[(1, 28713564), (2, 14356782), (3, 9571188), (4, 7178391), (6, 4785594), (9, 3190396), (11, 2610324), (12, 2392797), (18, 1595198), (22, 1305162), (31, 926244), (33, 870108), (36, 797599), (44, 652581), (62, 463122), (66, 435054), (93, 308748), (99, 290036), (124, 231561), (132, 217527), (186, 154374), (198, 145018), (279, 102916), (341, 84204), (372, 77187), (396, 72509), (558, 51458), (682, 42102), (1023, 28068), (1116, 25729), (1364, 21051), (2046, 14034), (2339, 12276), (3069, 9356), (4092, 7017), (4678, 6138)]