81961816

素因数分解:

$2^3\times {\mathrm{743}}^1\times {\mathrm{13789}}^1$

素因数の和:14538

約数の個数: 16

約数和(自身を含む): 153896400

約数和(自身を除く): 71934584

約数列:

[1, 2, 4, 8, 743, 1486, 2972, 5944, 13789, 27578, 55156, 110312, 10245227, 20490454, 40980908, 81961816]

約数ペア:

[(1, 81961816), (2, 40980908), (4, 20490454), (8, 10245227), (743, 110312), (1486, 55156), (2972, 27578), (5944, 13789)]