39897116

素因数分解:

$2^2\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1571}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 79933056

約数和(自身を除く): 40035940

約数列:

[1, 2, 4, 7, 14, 28, 907, 1571, 1814, 3142, 3628, 6284, 6349, 10997, 12698, 21994, 25396, 43988, 1424897, 2849794, 5699588, 9974279, 19948558, 39897116]

約数ペア:

[(1, 39897116), (2, 19948558), (4, 9974279), (7, 5699588), (14, 2849794), (28, 1424897), (907, 43988), (1571, 25396), (1814, 21994), (3142, 12698), (3628, 10997), (6284, 6349)]