31401404

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 55910400

約数和(自身を除く): 24508996

約数列:

[1, 2, 4, 103, 199, 206, 383, 398, 412, 766, 796, 1532, 20497, 39449, 40994, 76217, 78898, 81988, 152434, 157796, 304868, 7850351, 15700702, 31401404]

約数ペア:

[(1, 31401404), (2, 15700702), (4, 7850351), (103, 304868), (199, 157796), (206, 152434), (383, 81988), (398, 78898), (412, 76217), (766, 40994), (796, 39449), (1532, 20497)]