639579248

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12073}}^1$

素因数の和:12142

約数の個数: 80

約数和(自身を含む): 1581017856

約数和(自身を除く): 941438608

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 301, 308, 344, 473, 602, 616, 688, 946, 1204, 1232, 1892, 2408, 3311, 3784, 4816, 6622, 7568, 12073, 13244, 24146, 26488, 48292, 52976, 84511, 96584, 132803, 169022, 193168, 265606, 338044, 519139, 531212, 676088, 929621, 1038278, 1062424, 1352176, 1859242, 2076556, 2124848, 3633973, 3718484, 4153112, 5710529, 7267946, 7436968, 8306224, 11421058, 14535892, 14873936, 22842116, 29071784, 39973703, 45684232, 58143568, 79947406, 91368464, 159894812, 319789624, 639579248]

約数ペア:

[(1, 639579248), (2, 319789624), (4, 159894812), (7, 91368464), (8, 79947406), (11, 58143568), (14, 45684232), (16, 39973703), (22, 29071784), (28, 22842116), (43, 14873936), (44, 14535892), (56, 11421058), (77, 8306224), (86, 7436968), (88, 7267946), (112, 5710529), (154, 4153112), (172, 3718484), (176, 3633973), (301, 2124848), (308, 2076556), (344, 1859242), (473, 1352176), (602, 1062424), (616, 1038278), (688, 929621), (946, 676088), (1204, 531212), (1232, 519139), (1892, 338044), (2408, 265606), (3311, 193168), (3784, 169022), (4816, 132803), (6622, 96584), (7568, 84511), (12073, 52976), (13244, 48292), (24146, 26488)]