387686

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 24

約数和(自身を含む): 667584

約数和(自身を除く): 279898

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 169, 338, 403, 481, 806, 962, 1147, 2294, 5239, 6253, 10478, 12506, 14911, 29822, 193843, 387686]

約数ペア:

[(1, 387686), (2, 193843), (13, 29822), (26, 14911), (31, 12506), (37, 10478), (62, 6253), (74, 5239), (169, 2294), (338, 1147), (403, 962), (481, 806)]