42657685

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 59979960

約数和(自身を除く): 17322275

約数列:

[1, 5, 7, 35, 49, 157, 245, 785, 1099, 1109, 5495, 5545, 7693, 7763, 38465, 38815, 54341, 174113, 271705, 870565, 1218791, 6093955, 8531537, 42657685]

約数ペア:

[(1, 42657685), (5, 8531537), (7, 6093955), (35, 1218791), (49, 870565), (157, 271705), (245, 174113), (785, 54341), (1099, 38815), (1109, 38465), (5495, 7763), (5545, 7693)]