81569224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 175841280

約数和(自身を除く): 94272056

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 191, 211, 253, 382, 422, 506, 764, 844, 1012, 1528, 1688, 2024, 2101, 2321, 4202, 4393, 4642, 4853, 8404, 8786, 9284, 9706, 16808, 17572, 18568, 19412, 35144, 38824, 40301, 48323, 53383, 80602, 96646, 106766, 161204, 193292, 213532, 322408, 386584, 427064, 443311, 886622, 926923, 1773244, 1853846, 3546488, 3707692, 7415384, 10196153, 20392306, 40784612, 81569224]

約数ペア:

[(1, 81569224), (2, 40784612), (4, 20392306), (8, 10196153), (11, 7415384), (22, 3707692), (23, 3546488), (44, 1853846), (46, 1773244), (88, 926923), (92, 886622), (184, 443311), (191, 427064), (211, 386584), (253, 322408), (382, 213532), (422, 193292), (506, 161204), (764, 106766), (844, 96646), (1012, 80602), (1528, 53383), (1688, 48323), (2024, 40301), (2101, 38824), (2321, 35144), (4202, 19412), (4393, 18568), (4642, 17572), (4853, 16808), (8404, 9706), (8786, 9284)]