2503991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 3068160

約数和(自身を除く): 564169

約数列:

[1, 7, 19, 67, 133, 281, 469, 1273, 1967, 5339, 8911, 18827, 37373, 131789, 357713, 2503991]

約数ペア:

[(1, 2503991), (7, 357713), (19, 131789), (67, 37373), (133, 18827), (281, 8911), (469, 5339), (1273, 1967)]