129440128

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{32621}}^1$

素因数の和:32666

約数の個数: 32

約数和(自身を含む): 266195520

約数和(自身を除く): 136755392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 32621, 65242, 130484, 260968, 521936, 1011251, 1043872, 2022502, 2087744, 4045004, 4175488, 8090008, 16180016, 32360032, 64720064, 129440128]

約数ペア:

[(1, 129440128), (2, 64720064), (4, 32360032), (8, 16180016), (16, 8090008), (31, 4175488), (32, 4045004), (62, 2087744), (64, 2022502), (124, 1043872), (128, 1011251), (248, 521936), (496, 260968), (992, 130484), (1984, 65242), (3968, 32621)]