639736064

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1631

約数の個数: 72

約数和(自身を含む): 1402903488

約数和(自身を除く): 763167424

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 157, 176, 256, 314, 352, 628, 704, 1256, 1408, 1447, 1727, 2512, 2816, 2894, 3454, 5024, 5788, 6908, 10048, 11576, 13816, 15917, 20096, 23152, 27632, 31834, 40192, 46304, 55264, 63668, 92608, 110528, 127336, 185216, 221056, 227179, 254672, 370432, 442112, 454358, 509344, 908716, 1018688, 1817432, 2037376, 2498969, 3634864, 4074752, 4997938, 7269728, 9995876, 14539456, 19991752, 29078912, 39983504, 58157824, 79967008, 159934016, 319868032, 639736064]

約数ペア:

[(1, 639736064), (2, 319868032), (4, 159934016), (8, 79967008), (11, 58157824), (16, 39983504), (22, 29078912), (32, 19991752), (44, 14539456), (64, 9995876), (88, 7269728), (128, 4997938), (157, 4074752), (176, 3634864), (256, 2498969), (314, 2037376), (352, 1817432), (628, 1018688), (704, 908716), (1256, 509344), (1408, 454358), (1447, 442112), (1727, 370432), (2512, 254672), (2816, 227179), (2894, 221056), (3454, 185216), (5024, 127336), (5788, 110528), (6908, 92608), (10048, 63668), (11576, 55264), (13816, 46304), (15917, 40192), (20096, 31834), (23152, 27632)]