668564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 36

約数和(自身を含む): 1352736

約数和(自身を除く): 684172

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 169, 172, 299, 338, 559, 598, 676, 989, 1118, 1196, 1978, 2236, 3887, 3956, 7267, 7774, 12857, 14534, 15548, 25714, 29068, 51428, 167141, 334282, 668564]

約数ペア:

[(1, 668564), (2, 334282), (4, 167141), (13, 51428), (23, 29068), (26, 25714), (43, 15548), (46, 14534), (52, 12857), (86, 7774), (92, 7267), (169, 3956), (172, 3887), (299, 2236), (338, 1978), (559, 1196), (598, 1118), (676, 989)]