81154396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 165231360

約数和(自身を除く): 84076964

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 68, 76, 92, 323, 391, 437, 646, 782, 874, 1292, 1564, 1748, 2731, 5462, 7429, 10924, 14858, 29716, 46427, 51889, 62813, 92854, 103778, 125626, 185708, 207556, 251252, 882113, 1067821, 1193447, 1764226, 2135642, 2386894, 3528452, 4271284, 4773788, 20288599, 40577198, 81154396]

約数ペア:

[(1, 81154396), (2, 40577198), (4, 20288599), (17, 4773788), (19, 4271284), (23, 3528452), (34, 2386894), (38, 2135642), (46, 1764226), (68, 1193447), (76, 1067821), (92, 882113), (323, 251252), (391, 207556), (437, 185708), (646, 125626), (782, 103778), (874, 92854), (1292, 62813), (1564, 51889), (1748, 46427), (2731, 29716), (5462, 14858), (7429, 10924)]