81931928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{787807}}^1$

素因数の和:787826

約数の個数: 16

約数和(自身を含む): 165439680

約数和(自身を除く): 83507752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 787807, 1575614, 3151228, 6302456, 10241491, 20482982, 40965964, 81931928]

約数ペア:

[(1, 81931928), (2, 40965964), (4, 20482982), (8, 10241491), (13, 6302456), (26, 3151228), (52, 1575614), (104, 787807)]