31240157

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 35838720

約数和(自身を除く): 4598563

約数列:

[1, 13, 31, 67, 89, 169, 403, 871, 1157, 2077, 2759, 5239, 5963, 11323, 15041, 27001, 35867, 77519, 184853, 351013, 466271, 1007747, 2403089, 31240157]

約数ペア:

[(1, 31240157), (13, 2403089), (31, 1007747), (67, 466271), (89, 351013), (169, 184853), (403, 77519), (871, 35867), (1157, 27001), (2077, 15041), (2759, 11323), (5239, 5963)]