4080360977

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 5557636800

約数和(自身を除く): 1477275823

約数列:

[1, 7, 11, 23, 47, 49, 77, 149, 161, 253, 329, 517, 539, 1043, 1081, 1127, 1639, 1771, 2209, 2303, 3427, 3619, 7003, 7301, 7567, 11473, 11891, 12397, 15463, 23989, 24299, 25333, 37697, 49021, 50807, 52969, 77033, 80311, 83237, 108241, 161069, 167923, 170093, 263879, 329141, 343147, 355649, 539231, 558877, 582659, 1127483, 1190651, 1771759, 1847153, 2303987, 2489543, 3620551, 3774617, 3912139, 7570243, 7892381, 12402313, 16127909, 25343857, 27384973, 52991701, 83272673, 86816191, 177406999, 370941907, 582908711, 4080360977]

約数ペア:

[(1, 4080360977), (7, 582908711), (11, 370941907), (23, 177406999), (47, 86816191), (49, 83272673), (77, 52991701), (149, 27384973), (161, 25343857), (253, 16127909), (329, 12402313), (517, 7892381), (539, 7570243), (1043, 3912139), (1081, 3774617), (1127, 3620551), (1639, 2489543), (1771, 2303987), (2209, 1847153), (2303, 1771759), (3427, 1190651), (3619, 1127483), (7003, 582659), (7301, 558877), (7567, 539231), (11473, 355649), (11891, 343147), (12397, 329141), (15463, 263879), (23989, 170093), (24299, 167923), (25333, 161069), (37697, 108241), (49021, 83237), (50807, 80311), (52969, 77033)]