128644852

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 264288640

約数和(自身を除く): 135643788

約数列:

[1, 2, 4, 7, 14, 28, 61, 109, 122, 218, 244, 427, 436, 691, 763, 854, 1382, 1526, 1708, 2764, 3052, 4837, 6649, 9674, 13298, 19348, 26596, 42151, 46543, 75319, 84302, 93086, 150638, 168604, 186172, 295057, 301276, 527233, 590114, 1054466, 1180228, 2108932, 4594459, 9188918, 18377836, 32161213, 64322426, 128644852]

約数ペア:

[(1, 128644852), (2, 64322426), (4, 32161213), (7, 18377836), (14, 9188918), (28, 4594459), (61, 2108932), (109, 1180228), (122, 1054466), (218, 590114), (244, 527233), (427, 301276), (436, 295057), (691, 186172), (763, 168604), (854, 150638), (1382, 93086), (1526, 84302), (1708, 75319), (2764, 46543), (3052, 42151), (4837, 26596), (6649, 19348), (9674, 13298)]