81570176

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 171000960

約数和(自身を除く): 89430784

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 337, 488, 496, 674, 976, 992, 1348, 1891, 1952, 1984, 2696, 3782, 3904, 3968, 5392, 7564, 7808, 10447, 10784, 15128, 20557, 20894, 21568, 30256, 41114, 41788, 43136, 60512, 82228, 83576, 121024, 164456, 167152, 242048, 328912, 334304, 637267, 657824, 668608, 1274534, 1315648, 1337216, 2549068, 2631296, 5098136, 10196272, 20392544, 40785088, 81570176]

約数ペア:

[(1, 81570176), (2, 40785088), (4, 20392544), (8, 10196272), (16, 5098136), (31, 2631296), (32, 2549068), (61, 1337216), (62, 1315648), (64, 1274534), (122, 668608), (124, 657824), (128, 637267), (244, 334304), (248, 328912), (337, 242048), (488, 167152), (496, 164456), (674, 121024), (976, 83576), (992, 82228), (1348, 60512), (1891, 43136), (1952, 41788), (1984, 41114), (2696, 30256), (3782, 21568), (3904, 20894), (3968, 20557), (5392, 15128), (7564, 10784), (7808, 10447)]