247376688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{396437}}^1$

素因数の和:396461

約数の個数: 40

約数和(自身を含む): 688216368

約数和(自身を除く): 440839680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 396437, 792874, 1189311, 1585748, 2378622, 3171496, 4757244, 5153681, 6342992, 9514488, 10307362, 15461043, 19028976, 20614724, 30922086, 41229448, 61844172, 82458896, 123688344, 247376688]

約数ペア:

[(1, 247376688), (2, 123688344), (3, 82458896), (4, 61844172), (6, 41229448), (8, 30922086), (12, 20614724), (13, 19028976), (16, 15461043), (24, 10307362), (26, 9514488), (39, 6342992), (48, 5153681), (52, 4757244), (78, 3171496), (104, 2378622), (156, 1585748), (208, 1189311), (312, 792874), (624, 396437)]