81990608

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7547}}^1$

素因数の和:7659

約数の個数: 40

約数和(自身を含む): 183446592

約数和(自身を除く): 101455984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 7547, 10864, 15094, 30188, 52829, 60376, 105658, 120752, 211316, 422632, 732059, 845264, 1464118, 2928236, 5124413, 5856472, 10248826, 11712944, 20497652, 40995304, 81990608]

約数ペア:

[(1, 81990608), (2, 40995304), (4, 20497652), (7, 11712944), (8, 10248826), (14, 5856472), (16, 5124413), (28, 2928236), (56, 1464118), (97, 845264), (112, 732059), (194, 422632), (388, 211316), (679, 120752), (776, 105658), (1358, 60376), (1552, 52829), (2716, 30188), (5432, 15094), (7547, 10864)]