415802878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1223}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 687398400

約数和(自身を除く): 271595522

約数列:

[1, 2, 19, 23, 38, 46, 389, 437, 778, 874, 1223, 2446, 7391, 8947, 14782, 17894, 23237, 28129, 46474, 56258, 169993, 339986, 475747, 534451, 951494, 1068902, 9039193, 10942181, 18078386, 21884362, 207901439, 415802878]

約数ペア:

[(1, 415802878), (2, 207901439), (19, 21884362), (23, 18078386), (38, 10942181), (46, 9039193), (389, 1068902), (437, 951494), (778, 534451), (874, 475747), (1223, 339986), (2446, 169993), (7391, 56258), (8947, 46474), (14782, 28129), (17894, 23237)]