213578582

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 414305280

約数和(自身を除く): 200726698

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 73, 119, 133, 146, 238, 266, 323, 511, 646, 647, 1022, 1241, 1294, 1387, 2261, 2482, 2774, 4522, 4529, 8687, 9058, 9709, 10999, 12293, 17374, 19418, 21998, 23579, 24586, 47158, 47231, 76993, 86051, 94462, 153986, 165053, 172102, 208981, 330106, 330617, 417962, 661234, 802927, 897389, 1462867, 1605854, 1794778, 2925734, 5620489, 6281723, 11240978, 12563446, 15255613, 30511226, 106789291, 213578582]

約数ペア:

[(1, 213578582), (2, 106789291), (7, 30511226), (14, 15255613), (17, 12563446), (19, 11240978), (34, 6281723), (38, 5620489), (73, 2925734), (119, 1794778), (133, 1605854), (146, 1462867), (238, 897389), (266, 802927), (323, 661234), (511, 417962), (646, 330617), (647, 330106), (1022, 208981), (1241, 172102), (1294, 165053), (1387, 153986), (2261, 94462), (2482, 86051), (2774, 76993), (4522, 47231), (4529, 47158), (8687, 24586), (9058, 23579), (9709, 21998), (10999, 19418), (12293, 17374)]