161661856

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{39779}}^1$

素因数の和:39916

約数の個数: 24

約数和(自身を含む): 320785920

約数和(自身を除く): 159124064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 39779, 79558, 159116, 318232, 636464, 1272928, 5051933, 10103866, 20207732, 40415464, 80830928, 161661856]

約数ペア:

[(1, 161661856), (2, 80830928), (4, 40415464), (8, 20207732), (16, 10103866), (32, 5051933), (127, 1272928), (254, 636464), (508, 318232), (1016, 159116), (2032, 79558), (4064, 39779)]