253562218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{7001}}^1$

素因数の和:7222

約数の個数: 32

約数和(自身を含む): 470534400

約数和(自身を除く): 216972182

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 199, 398, 1393, 2587, 2786, 5174, 7001, 14002, 18109, 36218, 49007, 91013, 98014, 182026, 637091, 1274182, 1393199, 2786398, 9752393, 18111587, 19504786, 36223174, 126781109, 253562218]

約数ペア:

[(1, 253562218), (2, 126781109), (7, 36223174), (13, 19504786), (14, 18111587), (26, 9752393), (91, 2786398), (182, 1393199), (199, 1274182), (398, 637091), (1393, 182026), (2587, 98014), (2786, 91013), (5174, 49007), (7001, 36218), (14002, 18109)]