257155976

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37951}}^1$

素因数の和:37986

約数の個数: 48

約数和(自身を含む): 605713920

約数和(自身を除く): 348557944

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 37951, 75902, 151804, 265657, 303608, 417461, 531314, 834922, 1062628, 1669844, 2125256, 2922227, 3339688, 4592071, 5844454, 9184142, 11688908, 18368284, 23377816, 32144497, 36736568, 64288994, 128577988, 257155976]

約数ペア:

[(1, 257155976), (2, 128577988), (4, 64288994), (7, 36736568), (8, 32144497), (11, 23377816), (14, 18368284), (22, 11688908), (28, 9184142), (44, 5844454), (56, 4592071), (77, 3339688), (88, 2922227), (121, 2125256), (154, 1669844), (242, 1062628), (308, 834922), (484, 531314), (616, 417461), (847, 303608), (968, 265657), (1694, 151804), (3388, 75902), (6776, 37951)]