311939716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 617379840

約数和(自身を除く): 305440124

約数列:

[1, 2, 4, 11, 22, 43, 44, 79, 86, 158, 172, 316, 473, 869, 946, 1738, 1892, 2087, 3397, 3476, 4174, 6794, 8348, 13588, 22957, 37367, 45914, 74734, 89741, 91828, 149468, 164873, 179482, 329746, 358964, 659492, 987151, 1813603, 1974302, 3627206, 3948604, 7089539, 7254412, 14179078, 28358156, 77984929, 155969858, 311939716]

約数ペア:

[(1, 311939716), (2, 155969858), (4, 77984929), (11, 28358156), (22, 14179078), (43, 7254412), (44, 7089539), (79, 3948604), (86, 3627206), (158, 1974302), (172, 1813603), (316, 987151), (473, 659492), (869, 358964), (946, 329746), (1738, 179482), (1892, 164873), (2087, 149468), (3397, 91828), (3476, 89741), (4174, 74734), (6794, 45914), (8348, 37367), (13588, 22957)]