28384831930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{394837}}^1$

素因数の和:394943

約数の個数: 64

約数和(自身を含む): 63679472640

約数和(自身を除く): 35294640710

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 455, 553, 790, 910, 1027, 1106, 2054, 2765, 5135, 5530, 7189, 10270, 14378, 35945, 71890, 394837, 789674, 1974185, 2763859, 3948370, 5132881, 5527718, 10265762, 13819295, 25664405, 27638590, 31192123, 35930167, 51328810, 62384246, 71860334, 155960615, 179650835, 218344861, 311921230, 359301670, 405497599, 436689722, 810995198, 1091724305, 2027487995, 2183448610, 2838483193, 4054975990, 5676966386, 14192415965, 28384831930]

約数ペア:

[(1, 28384831930), (2, 14192415965), (5, 5676966386), (7, 4054975990), (10, 2838483193), (13, 2183448610), (14, 2027487995), (26, 1091724305), (35, 810995198), (65, 436689722), (70, 405497599), (79, 359301670), (91, 311921230), (130, 218344861), (158, 179650835), (182, 155960615), (395, 71860334), (455, 62384246), (553, 51328810), (790, 35930167), (910, 31192123), (1027, 27638590), (1106, 25664405), (2054, 13819295), (2765, 10265762), (5135, 5527718), (5530, 5132881), (7189, 3948370), (10270, 2763859), (14378, 1974185), (35945, 789674), (71890, 394837)]