81489296

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 193130496

約数和(自身を除く): 111641200

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 127, 136, 238, 254, 272, 337, 476, 508, 674, 889, 952, 1016, 1348, 1778, 1904, 2032, 2159, 2359, 2696, 3556, 4318, 4718, 5392, 5729, 7112, 8636, 9436, 11458, 14224, 15113, 17272, 18872, 22916, 30226, 34544, 37744, 40103, 42799, 45832, 60452, 80206, 85598, 91664, 120904, 160412, 171196, 241808, 299593, 320824, 342392, 599186, 641648, 684784, 727583, 1198372, 1455166, 2396744, 2910332, 4793488, 5093081, 5820664, 10186162, 11641328, 20372324, 40744648, 81489296]

約数ペア:

[(1, 81489296), (2, 40744648), (4, 20372324), (7, 11641328), (8, 10186162), (14, 5820664), (16, 5093081), (17, 4793488), (28, 2910332), (34, 2396744), (56, 1455166), (68, 1198372), (112, 727583), (119, 684784), (127, 641648), (136, 599186), (238, 342392), (254, 320824), (272, 299593), (337, 241808), (476, 171196), (508, 160412), (674, 120904), (889, 91664), (952, 85598), (1016, 80206), (1348, 60452), (1778, 45832), (1904, 42799), (2032, 40103), (2159, 37744), (2359, 34544), (2696, 30226), (3556, 22916), (4318, 18872), (4718, 17272), (5392, 15113), (5729, 14224), (7112, 11458), (8636, 9436)]