204158591

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 275466240

約数和(自身を除く): 71307649

約数列:

[1, 7, 13, 19, 31, 91, 133, 169, 217, 247, 293, 403, 589, 1183, 1729, 2051, 2821, 3211, 3809, 4123, 5239, 5567, 7657, 9083, 22477, 26663, 36673, 38969, 49517, 53599, 63581, 72371, 99541, 118079, 172577, 346619, 506597, 696787, 826553, 940823, 1208039, 1535027, 2243501, 6585761, 10745189, 15704507, 29165513, 204158591]

約数ペア:

[(1, 204158591), (7, 29165513), (13, 15704507), (19, 10745189), (31, 6585761), (91, 2243501), (133, 1535027), (169, 1208039), (217, 940823), (247, 826553), (293, 696787), (403, 506597), (589, 346619), (1183, 172577), (1729, 118079), (2051, 99541), (2821, 72371), (3211, 63581), (3809, 53599), (4123, 49517), (5239, 38969), (5567, 36673), (7657, 26663), (9083, 22477)]