255626

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:90

約数の個数: 24

約数和(自身を含む): 476640

約数和(自身を除く): 221014

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 961, 1178, 1922, 4123, 6727, 8246, 13454, 18259, 36518, 127813, 255626]

約数ペア:

[(1, 255626), (2, 127813), (7, 36518), (14, 18259), (19, 13454), (31, 8246), (38, 6727), (62, 4123), (133, 1922), (217, 1178), (266, 961), (434, 589)]