278331391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2207}}^1$

素因数の和:2418

約数の個数: 16

約数和(自身を含む): 306028800

約数和(自身を除く): 27697409

約数列:

[1, 13, 89, 109, 1157, 1417, 2207, 9701, 28691, 126113, 196423, 240563, 2553499, 3127319, 21410107, 278331391]

約数ペア:

[(1, 278331391), (13, 21410107), (89, 3127319), (109, 2553499), (1157, 240563), (1417, 196423), (2207, 126113), (9701, 28691)]