12539945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{431}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 17200512

約数和(自身を除く): 4660567

約数列:

[1, 5, 11, 23, 55, 115, 253, 431, 529, 1265, 2155, 2645, 4741, 5819, 9913, 23705, 29095, 49565, 109043, 227999, 545215, 1139995, 2507989, 12539945]

約数ペア:

[(1, 12539945), (5, 2507989), (11, 1139995), (23, 545215), (55, 227999), (115, 109043), (253, 49565), (431, 29095), (529, 23705), (1265, 9913), (2155, 5819), (2645, 4741)]