280374913

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5303}}^1$

素因数の和:5413

約数の個数: 24

約数和(自身を含む): 355537728

約数和(自身を除く): 75162815

約数列:

[1, 7, 13, 49, 83, 91, 581, 637, 1079, 4067, 5303, 7553, 37121, 52871, 68939, 259847, 440149, 482573, 3081043, 3378011, 5721937, 21567301, 40053559, 280374913]

約数ペア:

[(1, 280374913), (7, 40053559), (13, 21567301), (49, 5721937), (83, 3378011), (91, 3081043), (581, 482573), (637, 440149), (1079, 259847), (4067, 68939), (5303, 52871), (7553, 37121)]