28618915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3361}}^1$

素因数の和:3510

約数の個数: 16

約数和(自身を含む): 37277856

約数和(自身を除く): 8658941

約数列:

[1, 5, 13, 65, 131, 655, 1703, 3361, 8515, 16805, 43693, 218465, 440291, 2201455, 5723783, 28618915]

約数ペア:

[(1, 28618915), (5, 5723783), (13, 2201455), (65, 440291), (131, 218465), (655, 43693), (1703, 16805), (3361, 8515)]