40871718

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31981}}^1$

素因数の和:32060

約数の個数: 24

約数和(自身を含む): 89805456

約数和(自身を除く): 48933738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 31981, 63962, 95943, 191886, 287829, 575658, 2270651, 4541302, 6811953, 13623906, 20435859, 40871718]

約数ペア:

[(1, 40871718), (2, 20435859), (3, 13623906), (6, 6811953), (9, 4541302), (18, 2270651), (71, 575658), (142, 287829), (213, 191886), (426, 95943), (639, 63962), (1278, 31981)]