217542784823

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{126613}}^1$

素因数の和:126951

約数の個数: 32

約数和(自身を含む): 272270745600

約数和(自身を除く): 54727960777

約数列:

[1, 7, 13, 79, 91, 239, 553, 1027, 1673, 3107, 7189, 18881, 21749, 126613, 132167, 245453, 886291, 1645969, 1718171, 10002427, 11521783, 30260507, 70016989, 130031551, 211823549, 393386591, 910220857, 2390580053, 2753706137, 16734060371, 31077540689, 217542784823]

約数ペア:

[(1, 217542784823), (7, 31077540689), (13, 16734060371), (79, 2753706137), (91, 2390580053), (239, 910220857), (553, 393386591), (1027, 211823549), (1673, 130031551), (3107, 70016989), (7189, 30260507), (18881, 11521783), (21749, 10002427), (126613, 1718171), (132167, 1645969), (245453, 886291)]