28105994

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{32911}}^1$

素因数の和:32981

約数の個数: 16

約数和(自身を含む): 48973056

約数和(自身を除く): 20867062

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 32911, 65822, 230377, 460754, 2007571, 4015142, 14052997, 28105994]

約数ペア:

[(1, 28105994), (2, 14052997), (7, 4015142), (14, 2007571), (61, 460754), (122, 230377), (427, 65822), (854, 32911)]