87810128

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18233}}^1$

素因数の和:18291

約数の個数: 40

約数和(自身を含む): 198969408

約数和(自身を除く): 111159280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 18233, 36466, 72932, 127631, 145864, 255262, 291728, 510524, 784019, 1021048, 1568038, 2042096, 3136076, 5488133, 6272152, 10976266, 12544304, 21952532, 43905064, 87810128]

約数ペア:

[(1, 87810128), (2, 43905064), (4, 21952532), (7, 12544304), (8, 10976266), (14, 6272152), (16, 5488133), (28, 3136076), (43, 2042096), (56, 1568038), (86, 1021048), (112, 784019), (172, 510524), (301, 291728), (344, 255262), (602, 145864), (688, 127631), (1204, 72932), (2408, 36466), (4816, 18233)]