628339988

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{4969}}^1$

素因数の和:5387

約数の個数: 24

約数和(自身を含む): 1114254120

約数和(自身を除く): 485914132

約数列:

[1, 2, 4, 101, 202, 313, 404, 626, 1252, 4969, 9938, 19876, 31613, 63226, 126452, 501869, 1003738, 1555297, 2007476, 3110594, 6221188, 157084997, 314169994, 628339988]

約数ペア:

[(1, 628339988), (2, 314169994), (4, 157084997), (101, 6221188), (202, 3110594), (313, 2007476), (404, 1555297), (626, 1003738), (1252, 501869), (4969, 126452), (9938, 63226), (19876, 31613)]