31888878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 45871122

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 89, 114, 133, 178, 266, 267, 399, 449, 534, 623, 798, 898, 1246, 1347, 1691, 1869, 2694, 3143, 3382, 3738, 5073, 6286, 8531, 9429, 10146, 11837, 17062, 18858, 23674, 25593, 35511, 39961, 51186, 59717, 71022, 79922, 119434, 119883, 179151, 239766, 279727, 358302, 559454, 759259, 839181, 1518518, 1678362, 2277777, 4555554, 5314813, 10629626, 15944439, 31888878]

約数ペア:

[(1, 31888878), (2, 15944439), (3, 10629626), (6, 5314813), (7, 4555554), (14, 2277777), (19, 1678362), (21, 1518518), (38, 839181), (42, 759259), (57, 559454), (89, 358302), (114, 279727), (133, 239766), (178, 179151), (266, 119883), (267, 119434), (399, 79922), (449, 71022), (534, 59717), (623, 51186), (798, 39961), (898, 35511), (1246, 25593), (1347, 23674), (1691, 18858), (1869, 17062), (2694, 11837), (3143, 10146), (3382, 9429), (3738, 8531), (5073, 6286)]