257874023

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 305337600

約数和(自身を除く): 47463577

約数列:

[1, 11, 19, 61, 113, 179, 209, 671, 1159, 1243, 1969, 2147, 3401, 6893, 10919, 12749, 20227, 23617, 37411, 75823, 120109, 130967, 207461, 222497, 384313, 1233847, 1440637, 2282071, 4227443, 13572317, 23443093, 257874023]

約数ペア:

[(1, 257874023), (11, 23443093), (19, 13572317), (61, 4227443), (113, 2282071), (179, 1440637), (209, 1233847), (671, 384313), (1159, 222497), (1243, 207461), (1969, 130967), (2147, 120109), (3401, 75823), (6893, 37411), (10919, 23617), (12749, 20227)]