128633728

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 265950720

約数和(自身を除く): 137316992

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 127, 128, 164, 193, 254, 328, 386, 508, 656, 772, 1016, 1312, 1544, 2032, 2624, 3088, 4064, 5207, 5248, 6176, 7913, 8128, 10414, 12352, 15826, 16256, 20828, 24511, 24704, 31652, 41656, 49022, 63304, 83312, 98044, 126608, 166624, 196088, 253216, 333248, 392176, 506432, 666496, 784352, 1004951, 1012864, 1568704, 2009902, 3137408, 4019804, 8039608, 16079216, 32158432, 64316864, 128633728]

約数ペア:

[(1, 128633728), (2, 64316864), (4, 32158432), (8, 16079216), (16, 8039608), (32, 4019804), (41, 3137408), (64, 2009902), (82, 1568704), (127, 1012864), (128, 1004951), (164, 784352), (193, 666496), (254, 506432), (328, 392176), (386, 333248), (508, 253216), (656, 196088), (772, 166624), (1016, 126608), (1312, 98044), (1544, 83312), (2032, 63304), (2624, 49022), (3088, 41656), (4064, 31652), (5207, 24704), (5248, 24511), (6176, 20828), (7913, 16256), (8128, 15826), (10414, 12352)]