139277257

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 165904200

約数和(自身を除く): 26626943

約数列:

[1, 7, 49, 89, 109, 293, 623, 763, 2051, 4361, 5341, 9701, 14357, 26077, 31937, 67907, 182539, 223559, 475349, 1277773, 1564913, 2842393, 19896751, 139277257]

約数ペア:

[(1, 139277257), (7, 19896751), (49, 2842393), (89, 1564913), (109, 1277773), (293, 475349), (623, 223559), (763, 182539), (2051, 67907), (4361, 31937), (5341, 26077), (9701, 14357)]