26888890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1367}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 55551744

約数和(自身を除く): 28662854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281, 562, 1367, 1405, 1967, 2734, 2810, 3934, 6835, 9569, 9835, 13670, 19138, 19670, 47845, 95690, 384127, 768254, 1920635, 2688889, 3841270, 5377778, 13444445, 26888890]

約数ペア:

[(1, 26888890), (2, 13444445), (5, 5377778), (7, 3841270), (10, 2688889), (14, 1920635), (35, 768254), (70, 384127), (281, 95690), (562, 47845), (1367, 19670), (1405, 19138), (1967, 13670), (2734, 9835), (2810, 9569), (3934, 6835)]