638757616

素因数分解:

$2^4\times 7^1\times {\mathrm{1033}}^1\times {\mathrm{5521}}^1$

素因数の和:6569

約数の個数: 40

約数和(自身を含む): 1416017504

約数和(自身を除く): 777259888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1033, 2066, 4132, 5521, 7231, 8264, 11042, 14462, 16528, 22084, 28924, 38647, 44168, 57848, 77294, 88336, 115696, 154588, 309176, 618352, 5703193, 11406386, 22812772, 39922351, 45625544, 79844702, 91251088, 159689404, 319378808, 638757616]

約数ペア:

[(1, 638757616), (2, 319378808), (4, 159689404), (7, 91251088), (8, 79844702), (14, 45625544), (16, 39922351), (28, 22812772), (56, 11406386), (112, 5703193), (1033, 618352), (2066, 309176), (4132, 154588), (5521, 115696), (7231, 88336), (8264, 77294), (11042, 57848), (14462, 44168), (16528, 38647), (22084, 28924)]