28256272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 60121152

約数和(自身を除く): 31864880

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 724, 887, 1448, 1774, 1991, 2896, 3548, 3982, 7096, 7964, 9757, 14192, 15928, 19514, 31856, 39028, 78056, 156112, 160547, 321094, 642188, 1284376, 1766017, 2568752, 3532034, 7064068, 14128136, 28256272]

約数ペア:

[(1, 28256272), (2, 14128136), (4, 7064068), (8, 3532034), (11, 2568752), (16, 1766017), (22, 1284376), (44, 642188), (88, 321094), (176, 160547), (181, 156112), (362, 78056), (724, 39028), (887, 31856), (1448, 19514), (1774, 15928), (1991, 14192), (2896, 9757), (3548, 7964), (3982, 7096)]