81543728

素因数分解:

$2^4\times 7^1\times {\mathrm{728069}}^1$

素因数の和:728084

約数の個数: 20

約数和(自身を含む): 180561360

約数和(自身を除く): 99017632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 728069, 1456138, 2912276, 5096483, 5824552, 10192966, 11649104, 20385932, 40771864, 81543728]

約数ペア:

[(1, 81543728), (2, 40771864), (4, 20385932), (7, 11649104), (8, 10192966), (14, 5824552), (16, 5096483), (28, 2912276), (56, 1456138), (112, 728069)]