25406927

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 7924273

約数列:

[1, 7, 13, 23, 61, 91, 161, 199, 299, 427, 793, 1393, 1403, 2093, 2587, 4577, 5551, 9821, 12139, 18109, 18239, 32039, 59501, 84973, 127673, 157807, 279197, 416507, 1104649, 1954379, 3629561, 25406927]

約数ペア:

[(1, 25406927), (7, 3629561), (13, 1954379), (23, 1104649), (61, 416507), (91, 279197), (161, 157807), (199, 127673), (299, 84973), (427, 59501), (793, 32039), (1393, 18239), (1403, 18109), (2093, 12139), (2587, 9821), (4577, 5551)]