208951204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{678413}}^1$

素因数の和:678435

約数の個数: 24

約数和(自身を含む): 455894208

約数和(自身を除く): 246943004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 678413, 1356826, 2713652, 4748891, 7462543, 9497782, 14925086, 18995564, 29850172, 52237801, 104475602, 208951204]

約数ペア:

[(1, 208951204), (2, 104475602), (4, 52237801), (7, 29850172), (11, 18995564), (14, 14925086), (22, 9497782), (28, 7462543), (44, 4748891), (77, 2713652), (154, 1356826), (308, 678413)]