81738356

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 173120640

約数和(自身を除く): 91382284

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 58, 86, 116, 172, 203, 301, 406, 602, 812, 1204, 1247, 2341, 2494, 4682, 4988, 8729, 9364, 16387, 17458, 32774, 34916, 65548, 67889, 100663, 135778, 201326, 271556, 402652, 475223, 704641, 950446, 1409282, 1900892, 2818564, 2919227, 5838454, 11676908, 20434589, 40869178, 81738356]

約数ペア:

[(1, 81738356), (2, 40869178), (4, 20434589), (7, 11676908), (14, 5838454), (28, 2919227), (29, 2818564), (43, 1900892), (58, 1409282), (86, 950446), (116, 704641), (172, 475223), (203, 402652), (301, 271556), (406, 201326), (602, 135778), (812, 100663), (1204, 67889), (1247, 65548), (2341, 34916), (2494, 32774), (4682, 17458), (4988, 16387), (8729, 9364)]