77878264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1217}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 154198800

約数和(自身を除く): 76320536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 842, 1217, 1684, 2434, 3368, 4868, 7999, 9736, 15998, 23123, 31996, 46246, 63992, 92492, 184984, 512357, 1024714, 2049428, 4098856, 9734783, 19469566, 38939132, 77878264]

約数ペア:

[(1, 77878264), (2, 38939132), (4, 19469566), (8, 9734783), (19, 4098856), (38, 2049428), (76, 1024714), (152, 512357), (421, 184984), (842, 92492), (1217, 63992), (1684, 46246), (2434, 31996), (3368, 23123), (4868, 15998), (7999, 9736)]