397339998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{84793}}^1$

素因数の和:84880

約数の個数: 32

約数和(自身を含む): 879144192

約数和(自身を除く): 481804194

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 84793, 169586, 254379, 508758, 932723, 1865446, 2798169, 5596338, 6020303, 12040606, 18060909, 36121818, 66223333, 132446666, 198669999, 397339998]

約数ペア:

[(1, 397339998), (2, 198669999), (3, 132446666), (6, 66223333), (11, 36121818), (22, 18060909), (33, 12040606), (66, 6020303), (71, 5596338), (142, 2798169), (213, 1865446), (426, 932723), (781, 508758), (1562, 254379), (2343, 169586), (4686, 84793)]