389863012

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 870918048

約数和(自身を除く): 481055036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 211, 308, 422, 539, 844, 857, 1078, 1477, 1714, 2156, 2321, 2954, 3428, 4642, 5908, 5999, 9284, 9427, 10339, 11998, 16247, 18854, 20678, 23996, 32494, 37708, 41356, 41993, 64988, 65989, 83986, 113729, 131978, 167972, 180827, 227458, 263956, 361654, 454916, 461923, 723308, 923846, 1265789, 1847692, 1989097, 2531578, 3978194, 5063156, 7956388, 8860523, 13923679, 17721046, 27847358, 35442092, 55694716, 97465753, 194931506, 389863012]

約数ペア:

[(1, 389863012), (2, 194931506), (4, 97465753), (7, 55694716), (11, 35442092), (14, 27847358), (22, 17721046), (28, 13923679), (44, 8860523), (49, 7956388), (77, 5063156), (98, 3978194), (154, 2531578), (196, 1989097), (211, 1847692), (308, 1265789), (422, 923846), (539, 723308), (844, 461923), (857, 454916), (1078, 361654), (1477, 263956), (1714, 227458), (2156, 180827), (2321, 167972), (2954, 131978), (3428, 113729), (4642, 83986), (5908, 65989), (5999, 64988), (9284, 41993), (9427, 41356), (10339, 37708), (11998, 32494), (16247, 23996), (18854, 20678)]