12689456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61007}}^1$

素因数の和:61028

約数の個数: 20

約数和(自身を含む): 26477472

約数和(自身を除く): 13788016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61007, 122014, 244028, 488056, 793091, 976112, 1586182, 3172364, 6344728, 12689456]

約数ペア:

[(1, 12689456), (2, 6344728), (4, 3172364), (8, 1586182), (13, 976112), (16, 793091), (26, 488056), (52, 244028), (104, 122014), (208, 61007)]