40989235

素因数分解:

$5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{571}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 57513456

約数和(自身を除く): 16524221

約数列:

[1, 5, 7, 35, 49, 245, 293, 571, 1465, 2051, 2855, 3997, 10255, 14357, 19985, 27979, 71785, 139895, 167303, 836515, 1171121, 5855605, 8197847, 40989235]

約数ペア:

[(1, 40989235), (5, 8197847), (7, 5855605), (35, 1171121), (49, 836515), (245, 167303), (293, 139895), (571, 71785), (1465, 27979), (2051, 19985), (2855, 14357), (3997, 10255)]