139091456

素因数分解:

$2^9\times 7^1\times {\mathrm{197}}^2$

素因数の和:419

約数の個数: 60

約数和(自身を含む): 319233288

約数和(自身を除く): 180141832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 224, 256, 394, 448, 512, 788, 896, 1379, 1576, 1792, 2758, 3152, 3584, 5516, 6304, 11032, 12608, 22064, 25216, 38809, 44128, 50432, 77618, 88256, 100864, 155236, 176512, 271663, 310472, 353024, 543326, 620944, 706048, 1086652, 1241888, 2173304, 2483776, 4346608, 4967552, 8693216, 9935104, 17386432, 19870208, 34772864, 69545728, 139091456]

約数ペア:

[(1, 139091456), (2, 69545728), (4, 34772864), (7, 19870208), (8, 17386432), (14, 9935104), (16, 8693216), (28, 4967552), (32, 4346608), (56, 2483776), (64, 2173304), (112, 1241888), (128, 1086652), (197, 706048), (224, 620944), (256, 543326), (394, 353024), (448, 310472), (512, 271663), (788, 176512), (896, 155236), (1379, 100864), (1576, 88256), (1792, 77618), (2758, 50432), (3152, 44128), (3584, 38809), (5516, 25216), (6304, 22064), (11032, 12608)]