81512396

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{4703}}^1$

素因数の和:5333

約数の個数: 24

約数和(自身を含む): 163322880

約数和(自身を除く): 81810484

約数列:

[1, 2, 4, 7, 14, 28, 619, 1238, 2476, 4333, 4703, 8666, 9406, 17332, 18812, 32921, 65842, 131684, 2911157, 5822314, 11644628, 20378099, 40756198, 81512396]

約数ペア:

[(1, 81512396), (2, 40756198), (4, 20378099), (7, 11644628), (14, 5822314), (28, 2911157), (619, 131684), (1238, 65842), (2476, 32921), (4333, 18812), (4703, 17332), (8666, 9406)]