863931494875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1\times {\mathrm{2833}}^1$

素因数の和:3425

約数の個数: 64

約数和(自身を含む): 1114844814720

約数和(自身を除く): 250913319845

約数列:

[1, 5, 25, 41, 125, 157, 205, 379, 785, 1025, 1895, 2833, 3925, 5125, 6437, 9475, 14165, 15539, 19625, 32185, 47375, 59503, 70825, 77695, 116153, 160925, 297515, 354125, 388475, 444781, 580765, 804625, 1073707, 1487575, 1942375, 2223905, 2439623, 2903825, 5368535, 7437875, 11119525, 12198115, 14519125, 18236021, 26842675, 44021987, 55597625, 60990575, 91180105, 134213375, 168571999, 220109935, 304952875, 455900525, 842859995, 1100549675, 2279502625, 4214299975, 5502748375, 6911451959, 21071499875, 34557259795, 172786298975, 863931494875]

約数ペア:

[(1, 863931494875), (5, 172786298975), (25, 34557259795), (41, 21071499875), (125, 6911451959), (157, 5502748375), (205, 4214299975), (379, 2279502625), (785, 1100549675), (1025, 842859995), (1895, 455900525), (2833, 304952875), (3925, 220109935), (5125, 168571999), (6437, 134213375), (9475, 91180105), (14165, 60990575), (15539, 55597625), (19625, 44021987), (32185, 26842675), (47375, 18236021), (59503, 14519125), (70825, 12198115), (77695, 11119525), (116153, 7437875), (160925, 5368535), (297515, 2903825), (354125, 2439623), (388475, 2223905), (444781, 1942375), (580765, 1487575), (804625, 1073707)]