138761728

素因数分解:

$2^9\times 7^2\times {\mathrm{5531}}^1$

素因数の和:5563

約数の個数: 60

約数和(自身を含む): 322576452

約数和(自身を除く): 183814724

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3584, 5531, 6272, 11062, 12544, 22124, 25088, 38717, 44248, 77434, 88496, 154868, 176992, 271019, 309736, 353984, 542038, 619472, 707968, 1084076, 1238944, 1415936, 2168152, 2477888, 2831872, 4336304, 4955776, 8672608, 9911552, 17345216, 19823104, 34690432, 69380864, 138761728]

約数ペア:

[(1, 138761728), (2, 69380864), (4, 34690432), (7, 19823104), (8, 17345216), (14, 9911552), (16, 8672608), (28, 4955776), (32, 4336304), (49, 2831872), (56, 2477888), (64, 2168152), (98, 1415936), (112, 1238944), (128, 1084076), (196, 707968), (224, 619472), (256, 542038), (392, 353984), (448, 309736), (512, 271019), (784, 176992), (896, 154868), (1568, 88496), (1792, 77434), (3136, 44248), (3584, 38717), (5531, 25088), (6272, 22124), (11062, 12544)]