72391984

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 171471168

約数和(自身を除く): 99079184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 193, 197, 238, 272, 386, 394, 476, 772, 788, 952, 1351, 1379, 1544, 1576, 1904, 2702, 2758, 3088, 3152, 3281, 3349, 5404, 5516, 6562, 6698, 10808, 11032, 13124, 13396, 21616, 22064, 22967, 23443, 26248, 26792, 38021, 45934, 46886, 52496, 53584, 76042, 91868, 93772, 152084, 183736, 187544, 266147, 304168, 367472, 375088, 532294, 608336, 646357, 1064588, 1292714, 2129176, 2585428, 4258352, 4524499, 5170856, 9048998, 10341712, 18097996, 36195992, 72391984]

約数ペア:

[(1, 72391984), (2, 36195992), (4, 18097996), (7, 10341712), (8, 9048998), (14, 5170856), (16, 4524499), (17, 4258352), (28, 2585428), (34, 2129176), (56, 1292714), (68, 1064588), (112, 646357), (119, 608336), (136, 532294), (193, 375088), (197, 367472), (238, 304168), (272, 266147), (386, 187544), (394, 183736), (476, 152084), (772, 93772), (788, 91868), (952, 76042), (1351, 53584), (1379, 52496), (1544, 46886), (1576, 45934), (1904, 38021), (2702, 26792), (2758, 26248), (3088, 23443), (3152, 22967), (3281, 22064), (3349, 21616), (5404, 13396), (5516, 13124), (6562, 11032), (6698, 10808)]