640341988923

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3208721}}^1$

素因数の和:3208804

約数の個数: 64

約数和(自身を含む): 1138505905152

約数和(自身を除く): 498163916229

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 91, 119, 129, 221, 273, 301, 357, 559, 663, 731, 903, 1547, 1677, 2193, 3913, 4641, 5117, 9503, 11739, 15351, 28509, 66521, 199563, 3208721, 9626163, 22461047, 41713373, 54548257, 67383141, 125140119, 137975003, 163644771, 291993611, 381837799, 413925009, 709127341, 875980833, 965825021, 1145513397, 1793675039, 2127382023, 2345575051, 2897475063, 4963891387, 5381025117, 7036725153, 12555725273, 14891674161, 16419025357, 30492475663, 37667175819, 49257076071, 91477426989, 213447329641, 640341988923]

約数ペア:

[(1, 640341988923), (3, 213447329641), (7, 91477426989), (13, 49257076071), (17, 37667175819), (21, 30492475663), (39, 16419025357), (43, 14891674161), (51, 12555725273), (91, 7036725153), (119, 5381025117), (129, 4963891387), (221, 2897475063), (273, 2345575051), (301, 2127382023), (357, 1793675039), (559, 1145513397), (663, 965825021), (731, 875980833), (903, 709127341), (1547, 413925009), (1677, 381837799), (2193, 291993611), (3913, 163644771), (4641, 137975003), (5117, 125140119), (9503, 67383141), (11739, 54548257), (15351, 41713373), (28509, 22461047), (66521, 9626163), (199563, 3208721)]