64578416

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30347}}^1$

素因数の和:30381

約数の個数: 40

約数和(自身を含む): 150526080

約数和(自身を除く): 85947664

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 30347, 60694, 121388, 212429, 242776, 424858, 485552, 576593, 849716, 1153186, 1699432, 2306372, 3398864, 4036151, 4612744, 8072302, 9225488, 16144604, 32289208, 64578416]

約数ペア:

[(1, 64578416), (2, 32289208), (4, 16144604), (7, 9225488), (8, 8072302), (14, 4612744), (16, 4036151), (19, 3398864), (28, 2306372), (38, 1699432), (56, 1153186), (76, 849716), (112, 576593), (133, 485552), (152, 424858), (266, 242776), (304, 212429), (532, 121388), (1064, 60694), (2128, 30347)]