645166832

素因数分解:

$2^4\times {\mathrm{139}}^2\times {\mathrm{2087}}^1$

素因数の和:2373

約数の個数: 30

約数和(自身を含む): 1259671608

約数和(自身を除く): 614504776

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2087, 2224, 4174, 8348, 16696, 19321, 33392, 38642, 77284, 154568, 290093, 309136, 580186, 1160372, 2320744, 4641488, 40322927, 80645854, 161291708, 322583416, 645166832]

約数ペア:

[(1, 645166832), (2, 322583416), (4, 161291708), (8, 80645854), (16, 40322927), (139, 4641488), (278, 2320744), (556, 1160372), (1112, 580186), (2087, 309136), (2224, 290093), (4174, 154568), (8348, 77284), (16696, 38642), (19321, 33392)]