28438816

素因数分解:

$2^5\times 7^3\times {\mathrm{2591}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 36879584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2591, 2744, 5182, 5488, 10364, 10976, 18137, 20728, 36274, 41456, 72548, 82912, 126959, 145096, 253918, 290192, 507836, 580384, 888713, 1015672, 1777426, 2031344, 3554852, 4062688, 7109704, 14219408, 28438816]

約数ペア:

[(1, 28438816), (2, 14219408), (4, 7109704), (7, 4062688), (8, 3554852), (14, 2031344), (16, 1777426), (28, 1015672), (32, 888713), (49, 580384), (56, 507836), (98, 290192), (112, 253918), (196, 145096), (224, 126959), (343, 82912), (392, 72548), (686, 41456), (784, 36274), (1372, 20728), (1568, 18137), (2591, 10976), (2744, 10364), (5182, 5488)]