1801408894

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 2766643200

約数和(自身を除く): 965234306

約数列:

[1, 2, 127, 157, 199, 227, 254, 314, 398, 454, 19939, 25273, 28829, 31243, 35639, 39878, 45173, 50546, 57658, 62486, 71278, 90346, 3967861, 4526153, 5736971, 7092161, 7935722, 9052306, 11473942, 14184322, 900704447, 1801408894]

約数ペア:

[(1, 1801408894), (2, 900704447), (127, 14184322), (157, 11473942), (199, 9052306), (227, 7935722), (254, 7092161), (314, 5736971), (398, 4526153), (454, 3967861), (19939, 90346), (25273, 71278), (28829, 62486), (31243, 57658), (35639, 50546), (39878, 45173)]