261570256

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{577}}^1\times {\mathrm{977}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 525714120

約数和(自身を除く): 264143864

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 577, 977, 1154, 1954, 2308, 3908, 4616, 7816, 9232, 15632, 16733, 28333, 33466, 56666, 66932, 113332, 133864, 226664, 267728, 453328, 563729, 1127458, 2254916, 4509832, 9019664, 16348141, 32696282, 65392564, 130785128, 261570256]

約数ペア:

[(1, 261570256), (2, 130785128), (4, 65392564), (8, 32696282), (16, 16348141), (29, 9019664), (58, 4509832), (116, 2254916), (232, 1127458), (464, 563729), (577, 453328), (977, 267728), (1154, 226664), (1954, 133864), (2308, 113332), (3908, 66932), (4616, 56666), (7816, 33466), (9232, 28333), (15632, 16733)]