199909165

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{110753}}^1$

素因数の和:110796

約数の個数: 12

約数和(自身を含む): 253183644

約数和(自身を除く): 53274479

約数列:

[1, 5, 19, 95, 361, 1805, 110753, 553765, 2104307, 10521535, 39981833, 199909165]

約数ペア:

[(1, 199909165), (5, 39981833), (19, 10521535), (95, 2104307), (361, 553765), (1805, 110753)]