389385776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{27941}}^1$

素因数の和:28029

約数の個数: 40

約数和(自身を含む): 824624304

約数和(自身を除く): 435238528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 27941, 55882, 111764, 223528, 363233, 447056, 726466, 1452932, 1872047, 2905864, 3744094, 5811728, 7488188, 14976376, 24336611, 29952752, 48673222, 97346444, 194692888, 389385776]

約数ペア:

[(1, 389385776), (2, 194692888), (4, 97346444), (8, 48673222), (13, 29952752), (16, 24336611), (26, 14976376), (52, 7488188), (67, 5811728), (104, 3744094), (134, 2905864), (208, 1872047), (268, 1452932), (536, 726466), (871, 447056), (1072, 363233), (1742, 223528), (3484, 111764), (6968, 55882), (13936, 27941)]