12920545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{677}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 16987968

約数和(自身を除く): 4067423

約数列:

[1, 5, 11, 55, 347, 677, 1735, 3385, 3817, 7447, 19085, 37235, 234919, 1174595, 2584109, 12920545]

約数ペア:

[(1, 12920545), (5, 2584109), (11, 1174595), (55, 234919), (347, 37235), (677, 19085), (1735, 7447), (3385, 3817)]