278314169

素因数分解:

$7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 330454080

約数和(自身を除く): 52139911

約数列:

[1, 7, 49, 107, 109, 487, 749, 763, 3409, 5243, 5341, 11663, 23863, 52109, 53083, 81641, 364763, 371581, 571487, 2553341, 2601067, 5679881, 39759167, 278314169]

約数ペア:

[(1, 278314169), (7, 39759167), (49, 5679881), (107, 2601067), (109, 2553341), (487, 571487), (749, 371581), (763, 364763), (3409, 81641), (5243, 53083), (5341, 52109), (11663, 23863)]