161966556

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{6997}}^1$

素因数の和:7650

約数の個数: 36

約数和(自身を含む): 410110792

約数和(自身を除く): 248144236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1286, 1929, 2572, 3858, 5787, 6997, 7716, 11574, 13994, 20991, 23148, 27988, 41982, 62973, 83964, 125946, 251892, 4499071, 8998142, 13497213, 17996284, 26994426, 40491639, 53988852, 80983278, 161966556]

約数ペア:

[(1, 161966556), (2, 80983278), (3, 53988852), (4, 40491639), (6, 26994426), (9, 17996284), (12, 13497213), (18, 8998142), (36, 4499071), (643, 251892), (1286, 125946), (1929, 83964), (2572, 62973), (3858, 41982), (5787, 27988), (6997, 23148), (7716, 20991), (11574, 13994)]