209916145

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{1867}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 255542400

約数和(自身を除く): 45626255

約数列:

[1, 5, 113, 199, 565, 995, 1867, 9335, 22487, 112435, 210971, 371533, 1054855, 1857665, 41983229, 209916145]

約数ペア:

[(1, 209916145), (5, 41983229), (113, 1857665), (199, 1054855), (565, 371533), (995, 210971), (1867, 112435), (9335, 22487)]