198291457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53147}}^1$

素因数の和:53208

約数の個数: 16

約数和(自身を含む): 250008192

約数和(自身を除く): 51716735

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 53147, 372029, 690911, 2179027, 4836377, 15253189, 28327351, 198291457]

約数ペア:

[(1, 198291457), (7, 28327351), (13, 15253189), (41, 4836377), (91, 2179027), (287, 690911), (533, 372029), (3731, 53147)]