51065990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{164729}}^1$

素因数の和:164767

約数の個数: 16

約数和(自身を含む): 94884480

約数和(自身を除く): 43818490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 164729, 329458, 823645, 1647290, 5106599, 10213198, 25532995, 51065990]

約数ペア:

[(1, 51065990), (2, 25532995), (5, 10213198), (10, 5106599), (31, 1647290), (62, 823645), (155, 329458), (310, 164729)]