28648688

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16427}}^1$

素因数の和:16544

約数の個数: 20

約数和(自身を含む): 56019480

約数和(自身を除く): 27370792

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16427, 32854, 65708, 131416, 262832, 1790543, 3581086, 7162172, 14324344, 28648688]

約数ペア:

[(1, 28648688), (2, 14324344), (4, 7162172), (8, 3581086), (16, 1790543), (109, 262832), (218, 131416), (436, 65708), (872, 32854), (1744, 16427)]