81342216

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 230256000

約数和(自身を除く): 148913784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 163, 174, 232, 239, 261, 326, 348, 478, 489, 522, 652, 696, 717, 956, 978, 1044, 1304, 1434, 1467, 1912, 1956, 2088, 2151, 2868, 2934, 3912, 4302, 4727, 5736, 5868, 6931, 8604, 9454, 11736, 13862, 14181, 17208, 18908, 20793, 27724, 28362, 37816, 38957, 41586, 42543, 55448, 56724, 62379, 77914, 83172, 85086, 113448, 116871, 124758, 155828, 166344, 170172, 233742, 249516, 311656, 340344, 350613, 467484, 499032, 701226, 934968, 1129753, 1402452, 2259506, 2804904, 3389259, 4519012, 6778518, 9038024, 10167777, 13557036, 20335554, 27114072, 40671108, 81342216]

約数ペア:

[(1, 81342216), (2, 40671108), (3, 27114072), (4, 20335554), (6, 13557036), (8, 10167777), (9, 9038024), (12, 6778518), (18, 4519012), (24, 3389259), (29, 2804904), (36, 2259506), (58, 1402452), (72, 1129753), (87, 934968), (116, 701226), (163, 499032), (174, 467484), (232, 350613), (239, 340344), (261, 311656), (326, 249516), (348, 233742), (478, 170172), (489, 166344), (522, 155828), (652, 124758), (696, 116871), (717, 113448), (956, 85086), (978, 83172), (1044, 77914), (1304, 62379), (1434, 56724), (1467, 55448), (1912, 42543), (1956, 41586), (2088, 38957), (2151, 37816), (2868, 28362), (2934, 27724), (3912, 20793), (4302, 18908), (4727, 17208), (5736, 14181), (5868, 13862), (6931, 11736), (8604, 9454)]