28509734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9323}}^1$

素因数の和:9475

約数の個数: 16

約数和(自身を含む): 46992960

約数和(自身を除く): 18483226

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9323, 18646, 102553, 205106, 1295897, 2591794, 14254867, 28509734]

約数ペア:

[(1, 28509734), (2, 14254867), (11, 2591794), (22, 1295897), (139, 205106), (278, 102553), (1529, 18646), (3058, 9323)]