131579826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 338411520

約数和(自身を除く): 206831694

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 67, 69, 107, 114, 133, 134, 138, 161, 201, 214, 266, 321, 322, 399, 402, 437, 469, 483, 642, 749, 798, 874, 938, 966, 1273, 1311, 1407, 1498, 1541, 2033, 2247, 2461, 2546, 2622, 2814, 3059, 3082, 3819, 4066, 4494, 4623, 4922, 6099, 6118, 7169, 7383, 7638, 8911, 9177, 9246, 10787, 12198, 14231, 14338, 14766, 17227, 17822, 18354, 21507, 21574, 26733, 28462, 29279, 32361, 34454, 42693, 43014, 46759, 50183, 51681, 53466, 58558, 64722, 85386, 87837, 93518, 100366, 103362, 136211, 140277, 150549, 164887, 175674, 204953, 272422, 280554, 301098, 327313, 329774, 408633, 409906, 494661, 614859, 654626, 817266, 953477, 981939, 989322, 1154209, 1229718, 1906954, 1963878, 2308418, 2860431, 3132853, 3462627, 5720862, 6265706, 6925254, 9398559, 18797118, 21929971, 43859942, 65789913, 131579826]

約数ペア:

[(1, 131579826), (2, 65789913), (3, 43859942), (6, 21929971), (7, 18797118), (14, 9398559), (19, 6925254), (21, 6265706), (23, 5720862), (38, 3462627), (42, 3132853), (46, 2860431), (57, 2308418), (67, 1963878), (69, 1906954), (107, 1229718), (114, 1154209), (133, 989322), (134, 981939), (138, 953477), (161, 817266), (201, 654626), (214, 614859), (266, 494661), (321, 409906), (322, 408633), (399, 329774), (402, 327313), (437, 301098), (469, 280554), (483, 272422), (642, 204953), (749, 175674), (798, 164887), (874, 150549), (938, 140277), (966, 136211), (1273, 103362), (1311, 100366), (1407, 93518), (1498, 87837), (1541, 85386), (2033, 64722), (2247, 58558), (2461, 53466), (2546, 51681), (2622, 50183), (2814, 46759), (3059, 43014), (3082, 42693), (3819, 34454), (4066, 32361), (4494, 29279), (4623, 28462), (4922, 26733), (6099, 21574), (6118, 21507), (7169, 18354), (7383, 17822), (7638, 17227), (8911, 14766), (9177, 14338), (9246, 14231), (10787, 12198)]