987333890

素因数分解:

$2^1\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{35401}}^1$

素因数の和:38197

約数の個数: 16

約数和(自身を含む): 1777888440

約数和(自身を除く): 790554550

約数列:

[1, 2, 5, 10, 2789, 5578, 13945, 27890, 35401, 70802, 177005, 354010, 98733389, 197466778, 493666945, 987333890]

約数ペア:

[(1, 987333890), (2, 493666945), (5, 197466778), (10, 98733389), (2789, 354010), (5578, 177005), (13945, 70802), (27890, 35401)]