1387839746

素因数分解:

$2^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1\times {\mathrm{2129}}^1$

素因数の和:3349

約数の個数: 16

約数和(自身を含む): 2090526840

約数和(自身を除く): 702687094

約数列:

[1, 2, 397, 794, 821, 1642, 2129, 4258, 325937, 651874, 845213, 1690426, 1747909, 3495818, 693919873, 1387839746]

約数ペア:

[(1, 1387839746), (2, 693919873), (397, 3495818), (794, 1747909), (821, 1690426), (1642, 845213), (2129, 651874), (4258, 325937)]