40564998

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31741}}^1$

素因数の和:31820

約数の個数: 24

約数和(自身を含む): 89131536

約数和(自身を除く): 48566538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 31741, 63482, 95223, 190446, 285669, 571338, 2253611, 4507222, 6760833, 13521666, 20282499, 40564998]

約数ペア:

[(1, 40564998), (2, 20282499), (3, 13521666), (6, 6760833), (9, 4507222), (18, 2253611), (71, 571338), (142, 285669), (213, 190446), (426, 95223), (639, 63482), (1278, 31741)]