2178749671

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 2711348640

約数和(自身を除く): 532598969

約数列:

[1, 7, 29, 43, 49, 181, 197, 203, 301, 1247, 1267, 1379, 1421, 2107, 5249, 5713, 7783, 8471, 8729, 8869, 9653, 35657, 36743, 39991, 54481, 59297, 61103, 225707, 245659, 249599, 257201, 279937, 381367, 415079, 1034053, 1533251, 1579949, 1719613, 1747193, 7238371, 10732757, 11059643, 12037291, 44464279, 50668597, 75129299, 311249953, 2178749671]

約数ペア:

[(1, 2178749671), (7, 311249953), (29, 75129299), (43, 50668597), (49, 44464279), (181, 12037291), (197, 11059643), (203, 10732757), (301, 7238371), (1247, 1747193), (1267, 1719613), (1379, 1579949), (1421, 1533251), (2107, 1034053), (5249, 415079), (5713, 381367), (7783, 279937), (8471, 257201), (8729, 249599), (8869, 245659), (9653, 225707), (35657, 61103), (36743, 59297), (39991, 54481)]