39978685

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6971}}^1$

素因数の和:7044

約数の個数: 16

約数和(自身を含む): 50867712

約数和(自身を除く): 10889027

約数列:

[1, 5, 31, 37, 155, 185, 1147, 5735, 6971, 34855, 216101, 257927, 1080505, 1289635, 7995737, 39978685]

約数ペア:

[(1, 39978685), (5, 7995737), (31, 1289635), (37, 1080505), (155, 257927), (185, 216101), (1147, 34855), (5735, 6971)]