68860988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{4649}}^1$

素因数の和:4706

約数の個数: 36

約数和(自身を含む): 144001200

約数和(自身を除く): 75140212

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 2116, 3703, 4649, 7406, 9298, 14812, 18596, 32543, 65086, 106927, 130172, 213854, 427708, 748489, 1496978, 2459321, 2993956, 4918642, 9837284, 17215247, 34430494, 68860988]

約数ペア:

[(1, 68860988), (2, 34430494), (4, 17215247), (7, 9837284), (14, 4918642), (23, 2993956), (28, 2459321), (46, 1496978), (92, 748489), (161, 427708), (322, 213854), (529, 130172), (644, 106927), (1058, 65086), (2116, 32543), (3703, 18596), (4649, 14812), (7406, 9298)]