780988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 1538208

約数和(自身を除く): 757220

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 653, 1196, 1306, 2612, 8489, 15019, 16978, 30038, 33956, 60076, 195247, 390494, 780988]

約数ペア:

[(1, 780988), (2, 390494), (4, 195247), (13, 60076), (23, 33956), (26, 30038), (46, 16978), (52, 15019), (92, 8489), (299, 2612), (598, 1306), (653, 1196)]