28828358

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:181

約数の個数: 36

約数和(自身を含む): 50035860

約数和(自身を除く): 21207502

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 169, 247, 338, 494, 871, 1273, 1742, 2546, 3211, 4489, 6422, 8978, 11323, 16549, 22646, 33098, 58357, 85291, 116714, 170582, 215137, 430274, 758641, 1108783, 1517282, 2217566, 14414179, 28828358]

約数ペア:

[(1, 28828358), (2, 14414179), (13, 2217566), (19, 1517282), (26, 1108783), (38, 758641), (67, 430274), (134, 215137), (169, 170582), (247, 116714), (338, 85291), (494, 58357), (871, 33098), (1273, 22646), (1742, 16549), (2546, 11323), (3211, 8978), (4489, 6422)]