255512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 516900

約数和(自身を除く): 261388

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 1681, 3116, 3362, 6232, 6724, 13448, 31939, 63878, 127756, 255512]

約数ペア:

[(1, 255512), (2, 127756), (4, 63878), (8, 31939), (19, 13448), (38, 6724), (41, 6232), (76, 3362), (82, 3116), (152, 1681), (164, 1558), (328, 779)]