78280804

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{7187}}^1$

素因数の和:7587

約数の個数: 24

約数和(自身を含む): 156985920

約数和(自身を除く): 78705116

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 7187, 10892, 14374, 28748, 50309, 100618, 201236, 2795743, 5591486, 11182972, 19570201, 39140402, 78280804]

約数ペア:

[(1, 78280804), (2, 39140402), (4, 19570201), (7, 11182972), (14, 5591486), (28, 2795743), (389, 201236), (778, 100618), (1556, 50309), (2723, 28748), (5446, 14374), (7187, 10892)]