128800288

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 263741184

約数和(自身を除く): 134940896

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 157, 248, 314, 496, 628, 827, 992, 1256, 1654, 2512, 3308, 4867, 5024, 6616, 9734, 13232, 19468, 25637, 26464, 38936, 51274, 77872, 102548, 129839, 155744, 205096, 259678, 410192, 519356, 820384, 1038712, 2077424, 4025009, 4154848, 8050018, 16100036, 32200072, 64400144, 128800288]

約数ペア:

[(1, 128800288), (2, 64400144), (4, 32200072), (8, 16100036), (16, 8050018), (31, 4154848), (32, 4025009), (62, 2077424), (124, 1038712), (157, 820384), (248, 519356), (314, 410192), (496, 259678), (628, 205096), (827, 155744), (992, 129839), (1256, 102548), (1654, 77872), (2512, 51274), (3308, 38936), (4867, 26464), (5024, 25637), (6616, 19468), (9734, 13232)]