39910514

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20509}}^1$

素因数の和:20657

約数の個数: 16

約数和(自身を含む): 68913600

約数和(自身を除く): 29003086

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20509, 41018, 143563, 287126, 2850751, 5701502, 19955257, 39910514]

約数ペア:

[(1, 39910514), (2, 19955257), (7, 5701502), (14, 2850751), (139, 287126), (278, 143563), (973, 41018), (1946, 20509)]