31257712

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17923}}^1$

素因数の和:18040

約数の個数: 20

約数和(自身を含む): 61120840

約数和(自身を除く): 29863128

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17923, 35846, 71692, 143384, 286768, 1953607, 3907214, 7814428, 15628856, 31257712]

約数ペア:

[(1, 31257712), (2, 15628856), (4, 7814428), (8, 3907214), (16, 1953607), (109, 286768), (218, 143384), (436, 71692), (872, 35846), (1744, 17923)]