257367090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{8578903}}^1$

素因数の和:8578913

約数の個数: 16

約数和(自身を含む): 617681088

約数和(自身を除く): 360313998

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 8578903, 17157806, 25736709, 42894515, 51473418, 85789030, 128683545, 257367090]

約数ペア:

[(1, 257367090), (2, 128683545), (3, 85789030), (5, 51473418), (6, 42894515), (10, 25736709), (15, 17157806), (30, 8578903)]