168688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:832

約数の個数: 20

約数和(自身を含む): 352408

約数和(自身を除く): 183720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 811, 1622, 3244, 6488, 10543, 12976, 21086, 42172, 84344, 168688]

約数ペア:

[(1, 168688), (2, 84344), (4, 42172), (8, 21086), (13, 12976), (16, 10543), (26, 6488), (52, 3244), (104, 1622), (208, 811)]