161985564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18217}}^1$

素因数の和:18259

約数の個数: 72

約数和(自身を含む): 464194640

約数和(自身を除く): 302209076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 18217, 36434, 54651, 72868, 109302, 163953, 218604, 236821, 327906, 346123, 473642, 655812, 692246, 710463, 947284, 1038369, 1384492, 1420926, 2076738, 2131389, 2841852, 3115107, 4153476, 4262778, 4499599, 6230214, 8525556, 8999198, 12460428, 13498797, 17998396, 26997594, 40496391, 53995188, 80992782, 161985564]

約数ペア:

[(1, 161985564), (2, 80992782), (3, 53995188), (4, 40496391), (6, 26997594), (9, 17998396), (12, 13498797), (13, 12460428), (18, 8999198), (19, 8525556), (26, 6230214), (36, 4499599), (38, 4262778), (39, 4153476), (52, 3115107), (57, 2841852), (76, 2131389), (78, 2076738), (114, 1420926), (117, 1384492), (156, 1038369), (171, 947284), (228, 710463), (234, 692246), (247, 655812), (342, 473642), (468, 346123), (494, 327906), (684, 236821), (741, 218604), (988, 163953), (1482, 109302), (2223, 72868), (2964, 54651), (4446, 36434), (8892, 18217)]