157440488

素因数分解:

$2^3\times {\mathrm{499}}^1\times {\mathrm{39439}}^1$

素因数の和:39944

約数の個数: 16

約数和(自身を含む): 295800000

約数和(自身を除く): 138359512

約数列:

[1, 2, 4, 8, 499, 998, 1996, 3992, 39439, 78878, 157756, 315512, 19680061, 39360122, 78720244, 157440488]

約数ペア:

[(1, 157440488), (2, 78720244), (4, 39360122), (8, 19680061), (499, 315512), (998, 157756), (1996, 78878), (3992, 39439)]