123861328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4391}}^1$

素因数の和:4483

約数の個数: 40

約数和(自身を含む): 251608896

約数和(自身を除く): 127747568

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 4391, 7052, 8782, 14104, 17564, 28208, 35128, 70256, 180031, 188813, 360062, 377626, 720124, 755252, 1440248, 1510504, 2880496, 3021008, 7741333, 15482666, 30965332, 61930664, 123861328]

約数ペア:

[(1, 123861328), (2, 61930664), (4, 30965332), (8, 15482666), (16, 7741333), (41, 3021008), (43, 2880496), (82, 1510504), (86, 1440248), (164, 755252), (172, 720124), (328, 377626), (344, 360062), (656, 188813), (688, 180031), (1763, 70256), (3526, 35128), (4391, 28208), (7052, 17564), (8782, 14104)]