128211456

素因数分解:

$2^9\times 3^1\times {\mathrm{83471}}^1$

素因数の和:83492

約数の個数: 40

約数和(自身を含む): 341567424

約数和(自身を除く): 213355968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 83471, 166942, 250413, 333884, 500826, 667768, 1001652, 1335536, 2003304, 2671072, 4006608, 5342144, 8013216, 10684288, 16026432, 21368576, 32052864, 42737152, 64105728, 128211456]

約数ペア:

[(1, 128211456), (2, 64105728), (3, 42737152), (4, 32052864), (6, 21368576), (8, 16026432), (12, 10684288), (16, 8013216), (24, 5342144), (32, 4006608), (48, 2671072), (64, 2003304), (96, 1335536), (128, 1001652), (192, 667768), (256, 500826), (384, 333884), (512, 250413), (768, 166942), (1536, 83471)]