28751390

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12893}}^1$

素因数の和:13123

約数の個数: 16

約数和(自身を含む): 51988608

約数和(自身を除く): 23237218

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 12893, 25786, 64465, 128930, 2875139, 5750278, 14375695, 28751390]

約数ペア:

[(1, 28751390), (2, 14375695), (5, 5750278), (10, 2875139), (223, 128930), (446, 64465), (1115, 25786), (2230, 12893)]