208819765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{13229}}^1$

素因数の和:13293

約数の個数: 32

約数和(自身を含む): 320060160

約数和(自身を除く): 111240395

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1435, 2255, 3157, 13229, 15785, 66145, 92603, 145519, 463015, 542389, 727595, 1018633, 2711945, 3796723, 5093165, 5966279, 18983615, 29831395, 41763953, 208819765]

約数ペア:

[(1, 208819765), (5, 41763953), (7, 29831395), (11, 18983615), (35, 5966279), (41, 5093165), (55, 3796723), (77, 2711945), (205, 1018633), (287, 727595), (385, 542389), (451, 463015), (1435, 145519), (2255, 92603), (3157, 66145), (13229, 15785)]