81413428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 145031040

約数和(自身を除く): 63617612

約数列:

[1, 2, 4, 71, 142, 284, 439, 653, 878, 1306, 1756, 2612, 31169, 46363, 62338, 92726, 124676, 185452, 286667, 573334, 1146668, 20353357, 40706714, 81413428]

約数ペア:

[(1, 81413428), (2, 40706714), (4, 20353357), (71, 1146668), (142, 573334), (284, 286667), (439, 185452), (653, 124676), (878, 92726), (1306, 62338), (1756, 46363), (2612, 31169)]