28313948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7669}}^1$

素因数の和:7757

約数の個数: 24

約数和(自身を含む): 54119520

約数和(自身を除く): 25805572

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7669, 15338, 30676, 99697, 199394, 398788, 544499, 1088998, 2177996, 7078487, 14156974, 28313948]

約数ペア:

[(1, 28313948), (2, 14156974), (4, 7078487), (13, 2177996), (26, 1088998), (52, 544499), (71, 398788), (142, 199394), (284, 99697), (923, 30676), (1846, 15338), (3692, 7669)]