81917996

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{28723}}^1$

素因数の和:28781

約数の個数: 24

約数和(自身を含む): 154420224

約数和(自身を除く): 72502228

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 2852, 28723, 57446, 114892, 660629, 890413, 1321258, 1780826, 2642516, 3561652, 20479499, 40958998, 81917996]

約数ペア:

[(1, 81917996), (2, 40958998), (4, 20479499), (23, 3561652), (31, 2642516), (46, 1780826), (62, 1321258), (92, 890413), (124, 660629), (713, 114892), (1426, 57446), (2852, 28723)]