12691408

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{11839}}^1$

素因数の和:11914

約数の個数: 20

約数和(自身を含む): 24958720

約数和(自身を除く): 12267312

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 11839, 23678, 47356, 94712, 189424, 793213, 1586426, 3172852, 6345704, 12691408]

約数ペア:

[(1, 12691408), (2, 6345704), (4, 3172852), (8, 1586426), (16, 793213), (67, 189424), (134, 94712), (268, 47356), (536, 23678), (1072, 11839)]