201081643

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 241881552

約数和(自身を除く): 40799909

約数列:

[1, 7, 37, 49, 197, 259, 563, 1379, 1813, 3941, 7289, 9653, 20831, 27587, 51023, 110911, 145817, 357161, 776377, 1020719, 4103707, 5434639, 28725949, 201081643]

約数ペア:

[(1, 201081643), (7, 28725949), (37, 5434639), (49, 4103707), (197, 1020719), (259, 776377), (563, 357161), (1379, 145817), (1813, 110911), (3941, 51023), (7289, 27587), (9653, 20831)]