251445128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{69691}}^1$

素因数の和:69749

約数の個数: 32

約数和(自身を含む): 526871520

約数和(自身を除く): 275426392

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 69691, 139382, 278764, 557528, 766601, 1533202, 2857331, 3066404, 5714662, 6132808, 11429324, 22858648, 31430641, 62861282, 125722564, 251445128]

約数ペア:

[(1, 251445128), (2, 125722564), (4, 62861282), (8, 31430641), (11, 22858648), (22, 11429324), (41, 6132808), (44, 5714662), (82, 3066404), (88, 2857331), (164, 1533202), (328, 766601), (451, 557528), (902, 278764), (1804, 139382), (3608, 69691)]