64280356

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 139043520

約数和(自身を除く): 74763164

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 49, 58, 86, 98, 116, 172, 196, 203, 263, 301, 406, 526, 602, 812, 1052, 1204, 1247, 1421, 1841, 2107, 2494, 2842, 3682, 4214, 4988, 5684, 7364, 7627, 8428, 8729, 11309, 12887, 15254, 17458, 22618, 25774, 30508, 34916, 45236, 51548, 53389, 61103, 79163, 106778, 122206, 158326, 213556, 244412, 316652, 327961, 373723, 554141, 655922, 747446, 1108282, 1311844, 1494892, 2216564, 2295727, 4591454, 9182908, 16070089, 32140178, 64280356]

約数ペア:

[(1, 64280356), (2, 32140178), (4, 16070089), (7, 9182908), (14, 4591454), (28, 2295727), (29, 2216564), (43, 1494892), (49, 1311844), (58, 1108282), (86, 747446), (98, 655922), (116, 554141), (172, 373723), (196, 327961), (203, 316652), (263, 244412), (301, 213556), (406, 158326), (526, 122206), (602, 106778), (812, 79163), (1052, 61103), (1204, 53389), (1247, 51548), (1421, 45236), (1841, 34916), (2107, 30508), (2494, 25774), (2842, 22618), (3682, 17458), (4214, 15254), (4988, 12887), (5684, 11309), (7364, 8729), (7627, 8428)]