78706328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1039}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 156686400

約数和(自身を除く): 77980072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 557, 1039, 1114, 2078, 2228, 4156, 4456, 8312, 9469, 17663, 18938, 35326, 37876, 70652, 75752, 141304, 578723, 1157446, 2314892, 4629784, 9838291, 19676582, 39353164, 78706328]

約数ペア:

[(1, 78706328), (2, 39353164), (4, 19676582), (8, 9838291), (17, 4629784), (34, 2314892), (68, 1157446), (136, 578723), (557, 141304), (1039, 75752), (1114, 70652), (2078, 37876), (2228, 35326), (4156, 18938), (4456, 17663), (8312, 9469)]