13999790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{28571}}^1$

素因数の和:28592

約数の個数: 24

約数和(自身を含む): 29314872

約数和(自身を除く): 15315082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 28571, 57142, 142855, 199997, 285710, 399994, 999985, 1399979, 1999970, 2799958, 6999895, 13999790]

約数ペア:

[(1, 13999790), (2, 6999895), (5, 2799958), (7, 1999970), (10, 1399979), (14, 999985), (35, 399994), (49, 285710), (70, 199997), (98, 142855), (245, 57142), (490, 28571)]