209214715

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{3001}}^1$

素因数の和:3270

約数の個数: 16

約数和(自身を含む): 255914496

約数和(自身を除く): 46699781

約数列:

[1, 5, 73, 191, 365, 955, 3001, 13943, 15005, 69715, 219073, 573191, 1095365, 2865955, 41842943, 209214715]

約数ペア:

[(1, 209214715), (5, 41842943), (73, 2865955), (191, 1095365), (365, 573191), (955, 219073), (3001, 69715), (13943, 15005)]