20161718138

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1\times {\mathrm{1993}}^1$

素因数の和:3606

約数の個数: 32

約数和(自身を含む): 31374393600

約数和(自身を除く): 11212675462

約数列:

[1, 2, 43, 79, 86, 158, 1489, 1993, 2978, 3397, 3986, 6794, 64027, 85699, 117631, 128054, 157447, 171398, 235262, 314894, 2967577, 5058133, 5935154, 6770221, 10116266, 13540442, 127605811, 234438583, 255211622, 468877166, 10080859069, 20161718138]

約数ペア:

[(1, 20161718138), (2, 10080859069), (43, 468877166), (79, 255211622), (86, 234438583), (158, 127605811), (1489, 13540442), (1993, 10116266), (2978, 6770221), (3397, 5935154), (3986, 5058133), (6794, 2967577), (64027, 314894), (85699, 235262), (117631, 171398), (128054, 157447)]