25587968

素因数分解:

$2^8\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 59357760

約数和(自身を除く): 33769792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 128, 131, 218, 224, 256, 262, 436, 448, 524, 763, 872, 896, 917, 1048, 1526, 1744, 1792, 1834, 2096, 3052, 3488, 3668, 4192, 6104, 6976, 7336, 8384, 12208, 13952, 14279, 14672, 16768, 24416, 27904, 28558, 29344, 33536, 48832, 57116, 58688, 97664, 99953, 114232, 117376, 195328, 199906, 228464, 234752, 399812, 456928, 799624, 913856, 1599248, 1827712, 3198496, 3655424, 6396992, 12793984, 25587968]

約数ペア:

[(1, 25587968), (2, 12793984), (4, 6396992), (7, 3655424), (8, 3198496), (14, 1827712), (16, 1599248), (28, 913856), (32, 799624), (56, 456928), (64, 399812), (109, 234752), (112, 228464), (128, 199906), (131, 195328), (218, 117376), (224, 114232), (256, 99953), (262, 97664), (436, 58688), (448, 57116), (524, 48832), (763, 33536), (872, 29344), (896, 28558), (917, 27904), (1048, 24416), (1526, 16768), (1744, 14672), (1792, 14279), (1834, 13952), (2096, 12208), (3052, 8384), (3488, 7336), (3668, 6976), (4192, 6104)]