1297744688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{32587}}^1$

素因数の和:32745

約数の個数: 40

約数和(自身を含む): 2667001920

約数和(自身を除く): 1369257232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 9956, 19912, 32587, 39824, 65174, 130348, 260696, 521392, 619153, 1238306, 2476612, 4268897, 4953224, 8537794, 9906448, 17075588, 34151176, 68302352, 81109043, 162218086, 324436172, 648872344, 1297744688]

約数ペア:

[(1, 1297744688), (2, 648872344), (4, 324436172), (8, 162218086), (16, 81109043), (19, 68302352), (38, 34151176), (76, 17075588), (131, 9906448), (152, 8537794), (262, 4953224), (304, 4268897), (524, 2476612), (1048, 1238306), (2096, 619153), (2489, 521392), (4978, 260696), (9956, 130348), (19912, 65174), (32587, 39824)]