28378970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3643}}^1$

素因数の和:3710

約数の個数: 32

約数和(自身を含む): 55097280

約数和(自身を除く): 26718310

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3643, 3895, 7286, 7790, 18215, 36430, 69217, 138434, 149363, 298726, 346085, 692170, 746815, 1493630, 2837897, 5675794, 14189485, 28378970]

約数ペア:

[(1, 28378970), (2, 14189485), (5, 5675794), (10, 2837897), (19, 1493630), (38, 746815), (41, 692170), (82, 346085), (95, 298726), (190, 149363), (205, 138434), (410, 69217), (779, 36430), (1558, 18215), (3643, 7790), (3895, 7286)]