128686648

素因数分解:

$2^3\times {\mathrm{71}}^2\times {\mathrm{3191}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 244810440

約数和(自身を除く): 116123792

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 3191, 5041, 6382, 10082, 12764, 20164, 25528, 40328, 226561, 453122, 906244, 1812488, 16085831, 32171662, 64343324, 128686648]

約数ペア:

[(1, 128686648), (2, 64343324), (4, 32171662), (8, 16085831), (71, 1812488), (142, 906244), (284, 453122), (568, 226561), (3191, 40328), (5041, 25528), (6382, 20164), (10082, 12764)]