31129856

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 68874624

約数和(自身を除く): 37744768

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 256, 272, 311, 368, 391, 544, 622, 736, 782, 1088, 1244, 1472, 1564, 2176, 2488, 2944, 3128, 4352, 4976, 5287, 5888, 6256, 7153, 9952, 10574, 12512, 14306, 19904, 21148, 25024, 28612, 39808, 42296, 50048, 57224, 79616, 84592, 100096, 114448, 121601, 169184, 228896, 243202, 338368, 457792, 486404, 676736, 915584, 972808, 1353472, 1831168, 1945616, 3891232, 7782464, 15564928, 31129856]

約数ペア:

[(1, 31129856), (2, 15564928), (4, 7782464), (8, 3891232), (16, 1945616), (17, 1831168), (23, 1353472), (32, 972808), (34, 915584), (46, 676736), (64, 486404), (68, 457792), (92, 338368), (128, 243202), (136, 228896), (184, 169184), (256, 121601), (272, 114448), (311, 100096), (368, 84592), (391, 79616), (544, 57224), (622, 50048), (736, 42296), (782, 39808), (1088, 28612), (1244, 25024), (1472, 21148), (1564, 19904), (2176, 14306), (2488, 12512), (2944, 10574), (3128, 9952), (4352, 7153), (4976, 6256), (5287, 5888)]