389496424

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{1361}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 741363840

約数和(自身を除く): 351867416

約数列:

[1, 2, 4, 8, 83, 166, 332, 431, 664, 862, 1361, 1724, 2722, 3448, 5444, 10888, 35773, 71546, 112963, 143092, 225926, 286184, 451852, 586591, 903704, 1173182, 2346364, 4692728, 48687053, 97374106, 194748212, 389496424]

約数ペア:

[(1, 389496424), (2, 194748212), (4, 97374106), (8, 48687053), (83, 4692728), (166, 2346364), (332, 1173182), (431, 903704), (664, 586591), (862, 451852), (1361, 286184), (1724, 225926), (2722, 143092), (3448, 112963), (5444, 71546), (10888, 35773)]