66881654

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3919}}^1$

素因数の和:4004

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 55046026

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 2438, 3919, 7838, 8533, 17066, 27433, 54866, 90137, 180274, 207707, 415414, 630959, 1261918, 1453949, 2907898, 4777261, 9554522, 33440827, 66881654]

約数ペア:

[(1, 66881654), (2, 33440827), (7, 9554522), (14, 4777261), (23, 2907898), (46, 1453949), (53, 1261918), (106, 630959), (161, 415414), (322, 207707), (371, 180274), (742, 90137), (1219, 54866), (2438, 27433), (3919, 17066), (7838, 8533)]