40975818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 95208960

約数和(自身を除く): 54233142

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 258, 494, 559, 643, 741, 817, 1118, 1286, 1482, 1634, 1677, 1929, 2451, 3354, 3858, 4902, 8359, 10621, 12217, 16718, 21242, 24434, 25077, 27649, 31863, 36651, 50154, 55298, 63726, 73302, 82947, 158821, 165894, 317642, 359437, 476463, 525331, 718874, 952926, 1050662, 1078311, 1575993, 2156622, 3151986, 6829303, 13658606, 20487909, 40975818]

約数ペア:

[(1, 40975818), (2, 20487909), (3, 13658606), (6, 6829303), (13, 3151986), (19, 2156622), (26, 1575993), (38, 1078311), (39, 1050662), (43, 952926), (57, 718874), (78, 525331), (86, 476463), (114, 359437), (129, 317642), (247, 165894), (258, 158821), (494, 82947), (559, 73302), (643, 63726), (741, 55298), (817, 50154), (1118, 36651), (1286, 31863), (1482, 27649), (1634, 25077), (1677, 24434), (1929, 21242), (2451, 16718), (3354, 12217), (3858, 10621), (4902, 8359)]