82521712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 209007456

約数和(自身を除く): 126485744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 157, 182, 208, 247, 266, 304, 314, 361, 364, 494, 532, 628, 722, 728, 988, 1064, 1099, 1256, 1444, 1456, 1729, 1976, 2041, 2128, 2198, 2512, 2527, 2888, 2983, 3458, 3952, 4082, 4396, 4693, 5054, 5776, 5966, 6916, 8164, 8792, 9386, 10108, 11932, 13832, 14287, 16328, 17584, 18772, 20216, 20881, 23864, 27664, 28574, 32656, 32851, 37544, 38779, 40432, 41762, 47728, 56677, 57148, 65702, 75088, 77558, 83524, 113354, 114296, 131404, 155116, 167048, 226708, 228592, 262808, 271453, 310232, 334096, 396739, 453416, 525616, 542906, 620464, 736801, 793478, 906832, 1085812, 1473602, 1586956, 2171624, 2947204, 3173912, 4343248, 5157607, 5894408, 6347824, 10315214, 11788816, 20630428, 41260856, 82521712]

約数ペア:

[(1, 82521712), (2, 41260856), (4, 20630428), (7, 11788816), (8, 10315214), (13, 6347824), (14, 5894408), (16, 5157607), (19, 4343248), (26, 3173912), (28, 2947204), (38, 2171624), (52, 1586956), (56, 1473602), (76, 1085812), (91, 906832), (104, 793478), (112, 736801), (133, 620464), (152, 542906), (157, 525616), (182, 453416), (208, 396739), (247, 334096), (266, 310232), (304, 271453), (314, 262808), (361, 228592), (364, 226708), (494, 167048), (532, 155116), (628, 131404), (722, 114296), (728, 113354), (988, 83524), (1064, 77558), (1099, 75088), (1256, 65702), (1444, 57148), (1456, 56677), (1729, 47728), (1976, 41762), (2041, 40432), (2128, 38779), (2198, 37544), (2512, 32851), (2527, 32656), (2888, 28574), (2983, 27664), (3458, 23864), (3952, 20881), (4082, 20216), (4396, 18772), (4693, 17584), (5054, 16328), (5776, 14287), (5966, 13832), (6916, 11932), (8164, 10108), (8792, 9386)]