161808380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{475907}}^1$

素因数の和:475933

約数の個数: 24

約数和(自身を含む): 359786448

約数和(自身を除く): 197978068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 475907, 951814, 1903628, 2379535, 4759070, 8090419, 9518140, 16180838, 32361676, 40452095, 80904190, 161808380]

約数ペア:

[(1, 161808380), (2, 80904190), (4, 40452095), (5, 32361676), (10, 16180838), (17, 9518140), (20, 8090419), (34, 4759070), (68, 2379535), (85, 1903628), (170, 951814), (340, 475907)]