213089128

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{21023}}^1$

素因数の和:21217

約数の個数: 32

約数和(自身を含む): 459164160

約数和(自身を除く): 246075032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2534, 5068, 10136, 21023, 42046, 84092, 147161, 168184, 294322, 588644, 1177288, 3805163, 7610326, 15220652, 26636141, 30441304, 53272282, 106544564, 213089128]

約数ペア:

[(1, 213089128), (2, 106544564), (4, 53272282), (7, 30441304), (8, 26636141), (14, 15220652), (28, 7610326), (56, 3805163), (181, 1177288), (362, 588644), (724, 294322), (1267, 168184), (1448, 147161), (2534, 84092), (5068, 42046), (10136, 21023)]