31901168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{153371}}^1$

素因数の和:153392

約数の個数: 20

約数和(自身を含む): 66563448

約数和(自身を除く): 34662280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 153371, 306742, 613484, 1226968, 1993823, 2453936, 3987646, 7975292, 15950584, 31901168]

約数ペア:

[(1, 31901168), (2, 15950584), (4, 7975292), (8, 3987646), (13, 2453936), (16, 1993823), (26, 1226968), (52, 613484), (104, 306742), (208, 153371)]