28028605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{22157}}^1$

素因数の和:22196

約数の個数: 16

約数和(自身を含む): 38289024

約数和(自身を除く): 10260419

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 22157, 110785, 243727, 509611, 1218635, 2548055, 5605721, 28028605]

約数ペア:

[(1, 28028605), (5, 5605721), (11, 2548055), (23, 1218635), (55, 509611), (115, 243727), (253, 110785), (1265, 22157)]