25685985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 44593920

約数和(自身を除く): 18907935

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 839, 2041, 2355, 2517, 4195, 6123, 10205, 10907, 12585, 30615, 32721, 54535, 131723, 163605, 395169, 658615, 1712399, 1975845, 5137197, 8561995, 25685985]

約数ペア:

[(1, 25685985), (3, 8561995), (5, 5137197), (13, 1975845), (15, 1712399), (39, 658615), (65, 395169), (157, 163605), (195, 131723), (471, 54535), (785, 32721), (839, 30615), (2041, 12585), (2355, 10907), (2517, 10205), (4195, 6123)]