40420394

素因数分解:

$2^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{1489}}^1$

素因数の和:1782

約数の個数: 24

約数和(自身を含む): 70831620

約数和(自身を除く): 30411226

約数列:

[1, 2, 7, 14, 49, 98, 277, 554, 1489, 1939, 2978, 3878, 10423, 13573, 20846, 27146, 72961, 145922, 412453, 824906, 2887171, 5774342, 20210197, 40420394]

約数ペア:

[(1, 40420394), (2, 20210197), (7, 5774342), (14, 2887171), (49, 824906), (98, 412453), (277, 145922), (554, 72961), (1489, 27146), (1939, 20846), (2978, 13573), (3878, 10423)]