81867336

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21727}}^1$

素因数の和:21893

約数の個数: 32

約数和(自身を含む): 205981440

約数和(自身を除く): 124114104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 21727, 43454, 65181, 86908, 130362, 173816, 260724, 521448, 3411139, 6822278, 10233417, 13644556, 20466834, 27289112, 40933668, 81867336]

約数ペア:

[(1, 81867336), (2, 40933668), (3, 27289112), (4, 20466834), (6, 13644556), (8, 10233417), (12, 6822278), (24, 3411139), (157, 521448), (314, 260724), (471, 173816), (628, 130362), (942, 86908), (1256, 65181), (1884, 43454), (3768, 21727)]