254860991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1723}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 339614208

約数和(自身を除く): 84753217

約数列:

[1, 7, 11, 17, 77, 113, 119, 187, 791, 1243, 1309, 1723, 1921, 8701, 12061, 13447, 18953, 21131, 29291, 132671, 147917, 194699, 205037, 322201, 1362893, 2141689, 2255407, 3309883, 14991823, 23169181, 36408713, 254860991]

約数ペア:

[(1, 254860991), (7, 36408713), (11, 23169181), (17, 14991823), (77, 3309883), (113, 2255407), (119, 2141689), (187, 1362893), (791, 322201), (1243, 205037), (1309, 194699), (1723, 147917), (1921, 132671), (8701, 29291), (12061, 21131), (13447, 18953)]