40001786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{9137}}^1$

素因数の和:9349

約数の個数: 16

約数和(自身を含む): 65793600

約数和(自身を除く): 25791814

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 9137, 18274, 100507, 201014, 1818263, 3636526, 20000893, 40001786]

約数ペア:

[(1, 40001786), (2, 20000893), (11, 3636526), (22, 1818263), (199, 201014), (398, 100507), (2189, 18274), (4378, 9137)]