259290438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{55333}}^1$

素因数の和:55420

約数の個数: 32

約数和(自身を含む): 573702912

約数和(自身を除く): 314412474

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 55333, 110666, 165999, 331998, 608663, 1217326, 1825989, 3651978, 3928643, 7857286, 11785929, 23571858, 43215073, 86430146, 129645219, 259290438]

約数ペア:

[(1, 259290438), (2, 129645219), (3, 86430146), (6, 43215073), (11, 23571858), (22, 11785929), (33, 7857286), (66, 3928643), (71, 3651978), (142, 1825989), (213, 1217326), (426, 608663), (781, 331998), (1562, 165999), (2343, 110666), (4686, 55333)]