209689586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:954

約数の個数: 32

約数和(自身を含む): 341140800

約数和(自身を除く): 131451214

約数列:

[1, 2, 19, 38, 43, 86, 181, 362, 709, 817, 1418, 1634, 3439, 6878, 7783, 13471, 15566, 26942, 30487, 60974, 128329, 147877, 256658, 295754, 579253, 1158506, 2438251, 4876502, 5518147, 11036294, 104844793, 209689586]

約数ペア:

[(1, 209689586), (2, 104844793), (19, 11036294), (38, 5518147), (43, 4876502), (86, 2438251), (181, 1158506), (362, 579253), (709, 295754), (817, 256658), (1418, 147877), (1634, 128329), (3439, 60974), (6878, 30487), (7783, 26942), (13471, 15566)]