31489991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 34816320

約数和(自身を除く): 3326329

約数列:

[1, 13, 71, 109, 313, 923, 1417, 4069, 7739, 22223, 34117, 100607, 288899, 443521, 2422307, 31489991]

約数ペア:

[(1, 31489991), (13, 2422307), (71, 443521), (109, 288899), (313, 100607), (923, 34117), (1417, 22223), (4069, 7739)]