12910990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 24805440

約数和(自身を除く): 11894450

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 439, 865, 878, 1730, 2195, 2941, 4390, 5882, 7463, 14705, 14926, 29410, 37315, 74630, 75947, 151894, 379735, 759470, 1291099, 2582198, 6455495, 12910990]

約数ペア:

[(1, 12910990), (2, 6455495), (5, 2582198), (10, 1291099), (17, 759470), (34, 379735), (85, 151894), (170, 75947), (173, 74630), (346, 37315), (439, 29410), (865, 14926), (878, 14705), (1730, 7463), (2195, 5882), (2941, 4390)]