28857026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21503}}^1$

素因数の和:21577

約数の個数: 16

約数和(自身を含む): 47996928

約数和(自身を除く): 19139902

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 21503, 43006, 236533, 473066, 1311683, 2623366, 14428513, 28857026]

約数ペア:

[(1, 28857026), (2, 14428513), (11, 2623366), (22, 1311683), (61, 473066), (122, 236533), (671, 43006), (1342, 21503)]