129044408

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{39439}}^1$

素因数の和:39854

約数の個数: 16

約数和(自身を含む): 242556000

約数和(自身を除く): 113511592

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 39439, 78878, 157756, 315512, 16130551, 32261102, 64522204, 129044408]

約数ペア:

[(1, 129044408), (2, 64522204), (4, 32261102), (8, 16130551), (409, 315512), (818, 157756), (1636, 78878), (3272, 39439)]