25199768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1439}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 26640232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1439, 1592, 2189, 2878, 4378, 5756, 8756, 11512, 15829, 17512, 31658, 63316, 126632, 286361, 572722, 1145444, 2290888, 3149971, 6299942, 12599884, 25199768]

約数ペア:

[(1, 25199768), (2, 12599884), (4, 6299942), (8, 3149971), (11, 2290888), (22, 1145444), (44, 572722), (88, 286361), (199, 126632), (398, 63316), (796, 31658), (1439, 17512), (1592, 15829), (2189, 11512), (2878, 8756), (4378, 5756)]