25198208

素因数分解:

$2^7\times 7^1\times {\mathrm{28123}}^1$

素因数の和:28144

約数の個数: 32

約数和(自身を含む): 57372960

約数和(自身を除く): 32174752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 28123, 56246, 112492, 196861, 224984, 393722, 449968, 787444, 899936, 1574888, 1799872, 3149776, 3599744, 6299552, 12599104, 25198208]

約数ペア:

[(1, 25198208), (2, 12599104), (4, 6299552), (7, 3599744), (8, 3149776), (14, 1799872), (16, 1574888), (28, 899936), (32, 787444), (56, 449968), (64, 393722), (112, 224984), (128, 196861), (224, 112492), (448, 56246), (896, 28123)]