127978616

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{122117}}^1$

素因数の和:122254

約数の個数: 16

約数和(自身を含む): 241793640

約数和(自身を除く): 113815024

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 122117, 244234, 488468, 976936, 15997327, 31994654, 63989308, 127978616]

約数ペア:

[(1, 127978616), (2, 63989308), (4, 31994654), (8, 15997327), (131, 976936), (262, 488468), (524, 244234), (1048, 122117)]