28658119

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 34329600

約数和(自身を除く): 5671481

約数列:

[1, 7, 29, 79, 203, 553, 1787, 2291, 12509, 16037, 51823, 141173, 362761, 988211, 4094017, 28658119]

約数ペア:

[(1, 28658119), (7, 4094017), (29, 988211), (79, 362761), (203, 141173), (553, 51823), (1787, 16037), (2291, 12509)]