68397004

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 133413280

約数和(自身を除く): 65016276

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 181, 338, 362, 559, 676, 724, 1118, 2197, 2236, 2353, 4394, 4706, 7267, 7783, 8788, 9412, 14534, 15566, 29068, 30589, 31132, 61178, 94471, 101179, 122356, 188942, 202358, 377884, 397657, 404716, 795314, 1315327, 1590628, 2630654, 5261308, 17099251, 34198502, 68397004]

約数ペア:

[(1, 68397004), (2, 34198502), (4, 17099251), (13, 5261308), (26, 2630654), (43, 1590628), (52, 1315327), (86, 795314), (169, 404716), (172, 397657), (181, 377884), (338, 202358), (362, 188942), (559, 122356), (676, 101179), (724, 94471), (1118, 61178), (2197, 31132), (2236, 30589), (2353, 29068), (4394, 15566), (4706, 14534), (7267, 9412), (7783, 8788)]