989007290

素因数分解:

$2^1\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{35461}}^1$

素因数の和:38257

約数の個数: 16

約数和(自身を含む): 1780901640

約数和(自身を除く): 791894350

約数列:

[1, 2, 5, 10, 2789, 5578, 13945, 27890, 35461, 70922, 177305, 354610, 98900729, 197801458, 494503645, 989007290]

約数ペア:

[(1, 989007290), (2, 494503645), (5, 197801458), (10, 98900729), (2789, 354610), (5578, 177305), (13945, 70922), (27890, 35461)]