161596985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 225068544

約数和(自身を除く): 63471559

約数列:

[1, 5, 11, 17, 55, 85, 187, 401, 431, 935, 2005, 2155, 4411, 4741, 6817, 7327, 22055, 23705, 34085, 36635, 74987, 80597, 172831, 374935, 402985, 864155, 1901141, 2938127, 9505705, 14690635, 32319397, 161596985]

約数ペア:

[(1, 161596985), (5, 32319397), (11, 14690635), (17, 9505705), (55, 2938127), (85, 1901141), (187, 864155), (401, 402985), (431, 374935), (935, 172831), (2005, 80597), (2155, 74987), (4411, 36635), (4741, 34085), (6817, 23705), (7327, 22055)]