206908499

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 256028160

約数和(自身を除く): 49119661

約数列:

[1, 7, 19, 73, 101, 133, 211, 511, 707, 1387, 1477, 1919, 4009, 7373, 9709, 13433, 15403, 21311, 28063, 51611, 107821, 140087, 149177, 292657, 404909, 980609, 1555703, 2048599, 2834363, 10889921, 29558357, 206908499]

約数ペア:

[(1, 206908499), (7, 29558357), (19, 10889921), (73, 2834363), (101, 2048599), (133, 1555703), (211, 980609), (511, 404909), (707, 292657), (1387, 149177), (1477, 140087), (1919, 107821), (4009, 51611), (7373, 28063), (9709, 21311), (13433, 15403)]