31421756

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 56433216

約数和(自身を除く): 25011460

約数列:

[1, 2, 4, 47, 94, 188, 397, 421, 794, 842, 1588, 1684, 18659, 19787, 37318, 39574, 74636, 79148, 167137, 334274, 668548, 7855439, 15710878, 31421756]

約数ペア:

[(1, 31421756), (2, 15710878), (4, 7855439), (47, 668548), (94, 334274), (188, 167137), (397, 79148), (421, 74636), (794, 39574), (842, 37318), (1588, 19787), (1684, 18659)]