2891408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{13901}}^1$

素因数の和:13922

約数の個数: 20

約数和(自身を含む): 6033468

約数和(自身を除く): 3142060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 13901, 27802, 55604, 111208, 180713, 222416, 361426, 722852, 1445704, 2891408]

約数ペア:

[(1, 2891408), (2, 1445704), (4, 722852), (8, 361426), (13, 222416), (16, 180713), (26, 111208), (52, 55604), (104, 27802), (208, 13901)]