12638392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{121523}}^1$

素因数の和:121542

約数の個数: 16

約数和(自身を含む): 25520040

約数和(自身を除く): 12881648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 121523, 243046, 486092, 972184, 1579799, 3159598, 6319196, 12638392]

約数ペア:

[(1, 12638392), (2, 6319196), (4, 3159598), (8, 1579799), (13, 972184), (26, 486092), (52, 243046), (104, 121523)]