28025426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 25196974

約数列:

[1, 2, 11, 13, 22, 26, 29, 31, 58, 62, 109, 143, 218, 286, 319, 341, 377, 403, 638, 682, 754, 806, 899, 1199, 1417, 1798, 2398, 2834, 3161, 3379, 4147, 4433, 6322, 6758, 8294, 8866, 9889, 11687, 15587, 19778, 23374, 31174, 34771, 37169, 41093, 43927, 69542, 74338, 82186, 87854, 97991, 128557, 195982, 257114, 452023, 483197, 904046, 966394, 1077901, 1273883, 2155802, 2547766, 14012713, 28025426]

約数ペア:

[(1, 28025426), (2, 14012713), (11, 2547766), (13, 2155802), (22, 1273883), (26, 1077901), (29, 966394), (31, 904046), (58, 483197), (62, 452023), (109, 257114), (143, 195982), (218, 128557), (286, 97991), (319, 87854), (341, 82186), (377, 74338), (403, 69542), (638, 43927), (682, 41093), (754, 37169), (806, 34771), (899, 31174), (1199, 23374), (1417, 19778), (1798, 15587), (2398, 11687), (2834, 9889), (3161, 8866), (3379, 8294), (4147, 6758), (4433, 6322)]