7994896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 21318080

約数和(自身を除く): 13323184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 112, 119, 133, 136, 152, 182, 208, 221, 238, 247, 266, 272, 289, 304, 323, 364, 442, 476, 494, 532, 578, 646, 728, 884, 952, 988, 1064, 1156, 1292, 1456, 1547, 1729, 1768, 1904, 1976, 2023, 2128, 2261, 2312, 2584, 3094, 3458, 3536, 3757, 3952, 4046, 4199, 4522, 4624, 5168, 5491, 6188, 6916, 7514, 8092, 8398, 9044, 10982, 12376, 13832, 15028, 16184, 16796, 18088, 21964, 24752, 26299, 27664, 29393, 30056, 32368, 33592, 36176, 38437, 43928, 52598, 58786, 60112, 67184, 71383, 76874, 87856, 105196, 117572, 142766, 153748, 210392, 235144, 285532, 307496, 420784, 470288, 499681, 571064, 614992, 999362, 1142128, 1998724, 3997448, 7994896]

約数ペア:

[(1, 7994896), (2, 3997448), (4, 1998724), (7, 1142128), (8, 999362), (13, 614992), (14, 571064), (16, 499681), (17, 470288), (19, 420784), (26, 307496), (28, 285532), (34, 235144), (38, 210392), (52, 153748), (56, 142766), (68, 117572), (76, 105196), (91, 87856), (104, 76874), (112, 71383), (119, 67184), (133, 60112), (136, 58786), (152, 52598), (182, 43928), (208, 38437), (221, 36176), (238, 33592), (247, 32368), (266, 30056), (272, 29393), (289, 27664), (304, 26299), (323, 24752), (364, 21964), (442, 18088), (476, 16796), (494, 16184), (532, 15028), (578, 13832), (646, 12376), (728, 10982), (884, 9044), (952, 8398), (988, 8092), (1064, 7514), (1156, 6916), (1292, 6188), (1456, 5491), (1547, 5168), (1729, 4624), (1768, 4522), (1904, 4199), (1976, 4046), (2023, 3952), (2128, 3757), (2261, 3536), (2312, 3458), (2584, 3094)]