138534844

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{12097}}^1$

素因数の和:12517

約数の個数: 24

約数和(自身を含む): 277770080

約数和(自身を除く): 139235236

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 12097, 24194, 48388, 84679, 169358, 338716, 4947673, 9895346, 19790692, 34633711, 69267422, 138534844]

約数ペア:

[(1, 138534844), (2, 69267422), (4, 34633711), (7, 19790692), (14, 9895346), (28, 4947673), (409, 338716), (818, 169358), (1636, 84679), (2863, 48388), (5726, 24194), (11452, 12097)]