278804956

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1366

約数の個数: 36

約数和(自身を含む): 513269848

約数和(自身を除く): 234464892

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 841, 1237, 1682, 1943, 2474, 3364, 3886, 4948, 7772, 35873, 56347, 71746, 82879, 112694, 143492, 165758, 225388, 331516, 1040317, 2080634, 2403491, 4161268, 4806982, 9613964, 69701239, 139402478, 278804956]

約数ペア:

[(1, 278804956), (2, 139402478), (4, 69701239), (29, 9613964), (58, 4806982), (67, 4161268), (116, 2403491), (134, 2080634), (268, 1040317), (841, 331516), (1237, 225388), (1682, 165758), (1943, 143492), (2474, 112694), (3364, 82879), (3886, 71746), (4948, 56347), (7772, 35873)]