138323905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 176774400

約数和(自身を除く): 38450495

約数列:

[1, 5, 43, 53, 61, 199, 215, 265, 305, 995, 2279, 2623, 3233, 8557, 10547, 11395, 12139, 13115, 16165, 42785, 52735, 60695, 139019, 453521, 521977, 643367, 695095, 2267605, 2609885, 3216835, 27664781, 138323905]

約数ペア:

[(1, 138323905), (5, 27664781), (43, 3216835), (53, 2609885), (61, 2267605), (199, 695095), (215, 643367), (265, 521977), (305, 453521), (995, 139019), (2279, 60695), (2623, 52735), (3233, 42785), (8557, 16165), (10547, 13115), (11395, 12139)]