165551290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{877}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 305965440

約数和(自身を除く): 140414150

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 439, 877, 878, 1754, 2195, 4385, 4390, 8770, 18877, 37711, 37754, 75422, 94385, 188555, 188770, 377110, 385003, 770006, 1925015, 3850030, 16555129, 33110258, 82775645, 165551290]

約数ペア:

[(1, 165551290), (2, 82775645), (5, 33110258), (10, 16555129), (43, 3850030), (86, 1925015), (215, 770006), (430, 385003), (439, 377110), (877, 188770), (878, 188555), (1754, 94385), (2195, 75422), (4385, 37754), (4390, 37711), (8770, 18877)]