81890324

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{6217}}^1$

素因数の和:6347

約数の個数: 24

約数和(自身を含む): 148858920

約数和(自身を除く): 66968596

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 3293, 6217, 6586, 12434, 13172, 24868, 230029, 460058, 553313, 920116, 1106626, 2213252, 20472581, 40945162, 81890324]

約数ペア:

[(1, 81890324), (2, 40945162), (4, 20472581), (37, 2213252), (74, 1106626), (89, 920116), (148, 553313), (178, 460058), (356, 230029), (3293, 24868), (6217, 13172), (6586, 12434)]