81276145

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1879}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 100437120

約数和(自身を除く): 19160975

約数列:

[1, 5, 41, 205, 211, 1055, 1879, 8651, 9395, 43255, 77039, 385195, 396469, 1982345, 16255229, 81276145]

約数ペア:

[(1, 81276145), (5, 16255229), (41, 1982345), (205, 396469), (211, 385195), (1055, 77039), (1879, 43255), (8651, 9395)]