28387165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 35329536

約数和(自身を除く): 6942371

約数列:

[1, 5, 31, 155, 373, 491, 1865, 2455, 11563, 15221, 57815, 76105, 183143, 915715, 5677433, 28387165]

約数ペア:

[(1, 28387165), (5, 5677433), (31, 915715), (155, 183143), (373, 76105), (491, 57815), (1865, 15221), (2455, 11563)]