28284641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15971}}^1$

素因数の和:16012

約数の個数: 16

約数和(自身を含む): 36799488

約数和(自身を除く): 8514847

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 15971, 111797, 175681, 367333, 1229767, 2571331, 4040663, 28284641]

約数ペア:

[(1, 28284641), (7, 4040663), (11, 2571331), (23, 1229767), (77, 367333), (161, 175681), (253, 111797), (1771, 15971)]