1240393

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 1572480

約数和(自身を除く): 332087

約数列:

[1, 7, 11, 77, 89, 181, 623, 979, 1267, 1991, 6853, 13937, 16109, 112763, 177199, 1240393]

約数ペア:

[(1, 1240393), (7, 177199), (11, 112763), (77, 16109), (89, 13937), (181, 6853), (623, 1991), (979, 1267)]