256387908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{19441}}^1$

素因数の和:19612

約数の個数: 48

約数和(自身を含む): 688091264

約数和(自身を除く): 431703356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1884, 2198, 3297, 4396, 6594, 13188, 19441, 38882, 58323, 77764, 116646, 136087, 233292, 272174, 408261, 544348, 816522, 1633044, 3052237, 6104474, 9156711, 12208948, 18313422, 21365659, 36626844, 42731318, 64096977, 85462636, 128193954, 256387908]

約数ペア:

[(1, 256387908), (2, 128193954), (3, 85462636), (4, 64096977), (6, 42731318), (7, 36626844), (12, 21365659), (14, 18313422), (21, 12208948), (28, 9156711), (42, 6104474), (84, 3052237), (157, 1633044), (314, 816522), (471, 544348), (628, 408261), (942, 272174), (1099, 233292), (1884, 136087), (2198, 116646), (3297, 77764), (4396, 58323), (6594, 38882), (13188, 19441)]