40887406

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21011}}^1$

素因数の和:21159

約数の個数: 16

約数和(自身を含む): 70600320

約数和(自身を除く): 29712914

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 21011, 42022, 147077, 294154, 2920529, 5841058, 20443703, 40887406]

約数ペア:

[(1, 40887406), (2, 20443703), (7, 5841058), (14, 2920529), (139, 294154), (278, 147077), (973, 42022), (1946, 21011)]