28159216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 57833600

約数和(自身を除く): 29674384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 211, 304, 422, 439, 844, 878, 1688, 1756, 3376, 3512, 4009, 7024, 8018, 8341, 16036, 16682, 32072, 33364, 64144, 66728, 92629, 133456, 185258, 370516, 741032, 1482064, 1759951, 3519902, 7039804, 14079608, 28159216]

約数ペア:

[(1, 28159216), (2, 14079608), (4, 7039804), (8, 3519902), (16, 1759951), (19, 1482064), (38, 741032), (76, 370516), (152, 185258), (211, 133456), (304, 92629), (422, 66728), (439, 64144), (844, 33364), (878, 32072), (1688, 16682), (1756, 16036), (3376, 8341), (3512, 8018), (4009, 7024)]