257479264

素因数分解:

$2^5\times 7^1\times {\mathrm{167}}^1\times {\mathrm{6883}}^1$

素因数の和:7067

約数の個数: 48

約数和(自身を含む): 582882048

約数和(自身を除く): 325402784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 167, 224, 334, 668, 1169, 1336, 2338, 2672, 4676, 5344, 6883, 9352, 13766, 18704, 27532, 37408, 48181, 55064, 96362, 110128, 192724, 220256, 385448, 770896, 1149461, 1541792, 2298922, 4597844, 8046227, 9195688, 16092454, 18391376, 32184908, 36782752, 64369816, 128739632, 257479264]

約数ペア:

[(1, 257479264), (2, 128739632), (4, 64369816), (7, 36782752), (8, 32184908), (14, 18391376), (16, 16092454), (28, 9195688), (32, 8046227), (56, 4597844), (112, 2298922), (167, 1541792), (224, 1149461), (334, 770896), (668, 385448), (1169, 220256), (1336, 192724), (2338, 110128), (2672, 96362), (4676, 55064), (5344, 48181), (6883, 37408), (9352, 27532), (13766, 18704)]