254135882

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 520466688

約数和(自身を除く): 266330806

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 154, 182, 286, 427, 671, 793, 854, 1001, 1342, 1586, 2002, 2081, 4162, 4697, 5551, 8723, 9394, 11102, 14567, 17446, 22891, 27053, 29134, 45782, 54106, 61061, 122122, 126941, 160237, 189371, 253882, 297583, 320474, 378742, 595166, 888587, 1396351, 1650233, 1777174, 2083081, 2792702, 3300466, 4166162, 9774457, 11551631, 18152563, 19548914, 23103262, 36305126, 127067941, 254135882]

約数ペア:

[(1, 254135882), (2, 127067941), (7, 36305126), (11, 23103262), (13, 19548914), (14, 18152563), (22, 11551631), (26, 9774457), (61, 4166162), (77, 3300466), (91, 2792702), (122, 2083081), (143, 1777174), (154, 1650233), (182, 1396351), (286, 888587), (427, 595166), (671, 378742), (793, 320474), (854, 297583), (1001, 253882), (1342, 189371), (1586, 160237), (2002, 126941), (2081, 122122), (4162, 61061), (4697, 54106), (5551, 45782), (8723, 29134), (9394, 27053), (11102, 22891), (14567, 17446)]