388628261

素因数分解:

$7^5\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 477650880

約数和(自身を除く): 89022619

約数列:

[1, 7, 19, 49, 133, 343, 931, 1217, 2401, 6517, 8519, 16807, 23123, 45619, 59633, 161861, 319333, 417431, 1133027, 2922017, 7931189, 20454119, 55518323, 388628261]

約数ペア:

[(1, 388628261), (7, 55518323), (19, 20454119), (49, 7931189), (133, 2922017), (343, 1133027), (931, 417431), (1217, 319333), (2401, 161861), (6517, 59633), (8519, 45619), (16807, 23123)]