209545916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 397873728

約数和(自身を除く): 188327812

約数列:

[1, 2, 4, 23, 41, 46, 73, 82, 92, 146, 164, 292, 761, 943, 1522, 1679, 1886, 2993, 3044, 3358, 3772, 5986, 6716, 11972, 17503, 31201, 35006, 55553, 62402, 68839, 70012, 111106, 124804, 137678, 222212, 275356, 717623, 1277719, 1435246, 2277673, 2555438, 2870492, 4555346, 5110876, 9110692, 52386479, 104772958, 209545916]

約数ペア:

[(1, 209545916), (2, 104772958), (4, 52386479), (23, 9110692), (41, 5110876), (46, 4555346), (73, 2870492), (82, 2555438), (92, 2277673), (146, 1435246), (164, 1277719), (292, 717623), (761, 275356), (943, 222212), (1522, 137678), (1679, 124804), (1886, 111106), (2993, 70012), (3044, 68839), (3358, 62402), (3772, 55553), (5986, 35006), (6716, 31201), (11972, 17503)]