4005995

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 5688144

約数和(自身を除く): 1682149

約数列:

[1, 5, 7, 35, 49, 83, 197, 245, 415, 581, 985, 1379, 2905, 4067, 6895, 9653, 16351, 20335, 48265, 81755, 114457, 572285, 801199, 4005995]

約数ペア:

[(1, 4005995), (5, 801199), (7, 572285), (35, 114457), (49, 81755), (83, 48265), (197, 20335), (245, 16351), (415, 9653), (581, 6895), (985, 4067), (1379, 2905)]