129218168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{521041}}^1$

素因数の和:521078

約数の個数: 16

約数和(自身を含む): 250100160

約数和(自身を除く): 120881992

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 521041, 1042082, 2084164, 4168328, 16152271, 32304542, 64609084, 129218168]

約数ペア:

[(1, 129218168), (2, 64609084), (4, 32304542), (8, 16152271), (31, 4168328), (62, 2084164), (124, 1042082), (248, 521041)]