86988006

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 80

約数和(自身を含む): 225815040

約数和(自身を除く): 138827034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 81, 126, 158, 162, 189, 237, 378, 474, 553, 567, 711, 971, 1106, 1134, 1422, 1659, 1942, 2133, 2913, 3318, 4266, 4977, 5826, 6399, 6797, 8739, 9954, 12798, 13594, 14931, 17478, 20391, 26217, 29862, 40782, 44793, 52434, 61173, 76709, 78651, 89586, 122346, 153418, 157302, 183519, 230127, 367038, 460254, 536963, 550557, 690381, 1073926, 1101114, 1380762, 1610889, 2071143, 3221778, 4142286, 4832667, 6213429, 9665334, 12426858, 14498001, 28996002, 43494003, 86988006]

約数ペア:

[(1, 86988006), (2, 43494003), (3, 28996002), (6, 14498001), (7, 12426858), (9, 9665334), (14, 6213429), (18, 4832667), (21, 4142286), (27, 3221778), (42, 2071143), (54, 1610889), (63, 1380762), (79, 1101114), (81, 1073926), (126, 690381), (158, 550557), (162, 536963), (189, 460254), (237, 367038), (378, 230127), (474, 183519), (553, 157302), (567, 153418), (711, 122346), (971, 89586), (1106, 78651), (1134, 76709), (1422, 61173), (1659, 52434), (1942, 44793), (2133, 40782), (2913, 29862), (3318, 26217), (4266, 20391), (4977, 17478), (5826, 14931), (6399, 13594), (6797, 12798), (8739, 9954)]