209213615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{5717}}^1$

素因数の和:6298

約数の個数: 16

約数和(自身を含む): 270895968

約数和(自身を除く): 61682353

約数列:

[1, 5, 13, 65, 563, 2815, 5717, 7319, 28585, 36595, 74321, 371605, 3218671, 16093355, 41842723, 209213615]

約数ペア:

[(1, 209213615), (5, 41842723), (13, 16093355), (65, 3218671), (563, 371605), (2815, 74321), (5717, 36595), (7319, 28585)]