1388293504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{834311}}^1$

素因数の和:834338

約数の個数: 32

約数和(自身を含む): 2978493840

約数和(自身を除く): 1590200336

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 834311, 1668622, 3337244, 6674488, 10846043, 13348976, 21692086, 26697952, 43384172, 53395904, 86768344, 106791808, 173536688, 347073376, 694146752, 1388293504]

約数ペア:

[(1, 1388293504), (2, 694146752), (4, 347073376), (8, 173536688), (13, 106791808), (16, 86768344), (26, 53395904), (32, 43384172), (52, 26697952), (64, 21692086), (104, 13348976), (128, 10846043), (208, 6674488), (416, 3337244), (832, 1668622), (1664, 834311)]