28409315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3943}}^1$

素因数の和:4090

約数の個数: 16

約数和(自身を含む): 37483776

約数和(自身を除く): 9074461

約数列:

[1, 5, 11, 55, 131, 655, 1441, 3943, 7205, 19715, 43373, 216865, 516533, 2582665, 5681863, 28409315]

約数ペア:

[(1, 28409315), (5, 5681863), (11, 2582665), (55, 516533), (131, 216865), (655, 43373), (1441, 19715), (3943, 7205)]