80978908

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{733}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 144275040

約数和(自身を除く): 63296132

約数列:

[1, 2, 4, 71, 142, 284, 389, 733, 778, 1466, 1556, 2932, 27619, 52043, 55238, 104086, 110476, 208172, 285137, 570274, 1140548, 20244727, 40489454, 80978908]

約数ペア:

[(1, 80978908), (2, 40489454), (4, 20244727), (71, 1140548), (142, 570274), (284, 285137), (389, 208172), (733, 110476), (778, 104086), (1466, 55238), (1556, 52043), (2932, 27619)]