40821389

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8179}}^1$

素因数の和:8240

約数の個数: 16

約数和(自身を含む): 50257920

約数和(自身を除く): 9436531

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 8179, 57253, 188117, 253549, 1316819, 1774843, 5831627, 40821389]

約数ペア:

[(1, 40821389), (7, 5831627), (23, 1774843), (31, 1316819), (161, 253549), (217, 188117), (713, 57253), (4991, 8179)]