28620786

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 60156288

約数和(自身を除く): 31535502

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 942, 1321, 2642, 3611, 3963, 7222, 7926, 10833, 21666, 30383, 60766, 91149, 182298, 207397, 414794, 622191, 1244382, 4770131, 9540262, 14310393, 28620786]

約数ペア:

[(1, 28620786), (2, 14310393), (3, 9540262), (6, 4770131), (23, 1244382), (46, 622191), (69, 414794), (138, 207397), (157, 182298), (314, 91149), (471, 60766), (942, 30383), (1321, 21666), (2642, 10833), (3611, 7926), (3963, 7222)]