31705828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 69608448

約数和(自身を除く): 37902620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 311, 331, 622, 662, 1244, 1324, 2177, 2317, 3421, 3641, 4354, 4634, 6842, 7282, 8708, 9268, 13684, 14564, 23947, 25487, 47894, 50974, 95788, 101948, 102941, 205882, 411764, 720587, 1132351, 1441174, 2264702, 2882348, 4529404, 7926457, 15852914, 31705828]

約数ペア:

[(1, 31705828), (2, 15852914), (4, 7926457), (7, 4529404), (11, 2882348), (14, 2264702), (22, 1441174), (28, 1132351), (44, 720587), (77, 411764), (154, 205882), (308, 102941), (311, 101948), (331, 95788), (622, 50974), (662, 47894), (1244, 25487), (1324, 23947), (2177, 14564), (2317, 13684), (3421, 9268), (3641, 8708), (4354, 7282), (4634, 6842)]