2638492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 4914000

約数和(自身を除く): 2275508

約数列:

[1, 2, 4, 19, 38, 76, 149, 233, 298, 466, 596, 932, 2831, 4427, 5662, 8854, 11324, 17708, 34717, 69434, 138868, 659623, 1319246, 2638492]

約数ペア:

[(1, 2638492), (2, 1319246), (4, 659623), (19, 138868), (38, 69434), (76, 34717), (149, 17708), (233, 11324), (298, 8854), (466, 5662), (596, 4427), (932, 2831)]