259187812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 506761920

約数和(自身を除く): 247574108

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 107, 148, 214, 428, 481, 962, 1259, 1391, 1924, 2518, 2782, 3959, 5036, 5564, 7918, 15836, 16367, 32734, 46583, 51467, 65468, 93166, 102934, 134713, 186332, 205868, 269426, 538852, 605579, 1211158, 1751269, 2422316, 3502538, 4984381, 7005076, 9968762, 19937524, 64796953, 129593906, 259187812]

約数ペア:

[(1, 259187812), (2, 129593906), (4, 64796953), (13, 19937524), (26, 9968762), (37, 7005076), (52, 4984381), (74, 3502538), (107, 2422316), (148, 1751269), (214, 1211158), (428, 605579), (481, 538852), (962, 269426), (1259, 205868), (1391, 186332), (1924, 134713), (2518, 102934), (2782, 93166), (3959, 65468), (5036, 51467), (5564, 46583), (7918, 32734), (15836, 16367)]