64742288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2259

約数の個数: 40

約数和(自身を含む): 136059000

約数和(自身を除く): 71316712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 1192, 1937, 2089, 2384, 3874, 4178, 7748, 8356, 15496, 16712, 27157, 30992, 33424, 54314, 108628, 217256, 311261, 434512, 622522, 1245044, 2490088, 4046393, 4980176, 8092786, 16185572, 32371144, 64742288]

約数ペア:

[(1, 64742288), (2, 32371144), (4, 16185572), (8, 8092786), (13, 4980176), (16, 4046393), (26, 2490088), (52, 1245044), (104, 622522), (149, 434512), (208, 311261), (298, 217256), (596, 108628), (1192, 54314), (1937, 33424), (2089, 30992), (2384, 27157), (3874, 16712), (4178, 15496), (7748, 8356)]