280807681

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1697}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 357721056

約数和(自身を除く): 76913375

約数列:

[1, 7, 11, 49, 77, 307, 539, 1697, 2149, 3377, 11879, 15043, 18667, 23639, 83153, 130669, 165473, 520979, 914683, 3646853, 5730769, 25527971, 40115383, 280807681]

約数ペア:

[(1, 280807681), (7, 40115383), (11, 25527971), (49, 5730769), (77, 3646853), (307, 914683), (539, 520979), (1697, 165473), (2149, 130669), (3377, 83153), (11879, 23639), (15043, 18667)]