181505236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 373996224

約数和(自身を除く): 192490988

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 97, 172, 194, 253, 388, 473, 506, 946, 989, 1012, 1067, 1849, 1892, 1978, 2134, 2231, 3698, 3956, 4171, 4268, 4462, 7396, 8342, 8924, 10879, 16684, 20339, 21758, 24541, 40678, 42527, 43516, 45881, 49082, 81356, 85054, 91762, 95933, 98164, 170108, 179353, 183524, 191866, 358706, 383732, 467797, 717412, 935594, 1055263, 1871188, 1972883, 2110526, 3945766, 4125119, 4221052, 7891532, 8250238, 16500476, 45376309, 90752618, 181505236]

約数ペア:

[(1, 181505236), (2, 90752618), (4, 45376309), (11, 16500476), (22, 8250238), (23, 7891532), (43, 4221052), (44, 4125119), (46, 3945766), (86, 2110526), (92, 1972883), (97, 1871188), (172, 1055263), (194, 935594), (253, 717412), (388, 467797), (473, 383732), (506, 358706), (946, 191866), (989, 183524), (1012, 179353), (1067, 170108), (1849, 98164), (1892, 95933), (1978, 91762), (2134, 85054), (2231, 81356), (3698, 49082), (3956, 45881), (4171, 43516), (4268, 42527), (4462, 40678), (7396, 24541), (8342, 21758), (8924, 20339), (10879, 16684)]