12961688

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{20509}}^1$

素因数の和:20594

約数の個数: 16

約数和(自身を含む): 24612000

約数和(自身を除く): 11650312

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 20509, 41018, 82036, 164072, 1620211, 3240422, 6480844, 12961688]

約数ペア:

[(1, 12961688), (2, 6480844), (4, 3240422), (8, 1620211), (79, 164072), (158, 82036), (316, 41018), (632, 20509)]