210866786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{20849}}^1$

素因数の和:21253

約数の個数: 16

約数和(自身を含む): 341523000

約数和(自身を除く): 130656214

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 20849, 41698, 271037, 542074, 8110261, 16220522, 105433393, 210866786]

約数ペア:

[(1, 210866786), (2, 105433393), (13, 16220522), (26, 8110261), (389, 542074), (778, 271037), (5057, 41698), (10114, 20849)]