989004128

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{102679}}^1$

素因数の和:102739

約数の個数: 48

約数和(自身を含む): 2277031680

約数和(自身を除く): 1288027552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 9632, 102679, 205358, 410716, 718753, 821432, 1437506, 1642864, 2875012, 3285728, 4415197, 5750024, 8830394, 11500048, 17660788, 23000096, 30906379, 35321576, 61812758, 70643152, 123625516, 141286304, 247251032, 494502064, 989004128]

約数ペア:

[(1, 989004128), (2, 494502064), (4, 247251032), (7, 141286304), (8, 123625516), (14, 70643152), (16, 61812758), (28, 35321576), (32, 30906379), (43, 23000096), (56, 17660788), (86, 11500048), (112, 8830394), (172, 5750024), (224, 4415197), (301, 3285728), (344, 2875012), (602, 1642864), (688, 1437506), (1204, 821432), (1376, 718753), (2408, 410716), (4816, 205358), (9632, 102679)]