81590782

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1350

約数の個数: 40

約数和(自身を含む): 153875736

約数和(自身を除く): 72284954

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 1307, 2401, 2614, 4459, 4802, 8918, 9149, 16991, 18298, 31213, 33982, 62426, 64043, 118937, 128086, 237874, 448301, 832559, 896602, 1665118, 3138107, 5827913, 6276214, 11655826, 40795391, 81590782]

約数ペア:

[(1, 81590782), (2, 40795391), (7, 11655826), (13, 6276214), (14, 5827913), (26, 3138107), (49, 1665118), (91, 896602), (98, 832559), (182, 448301), (343, 237874), (637, 128086), (686, 118937), (1274, 64043), (1307, 62426), (2401, 33982), (2614, 31213), (4459, 18298), (4802, 16991), (8918, 9149)]