217902115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{3767}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 273466368

約数和(自身を除く): 55564253

約数列:

[1, 5, 23, 115, 503, 2515, 3767, 11569, 18835, 57845, 86641, 433205, 1894801, 9474005, 43580423, 217902115]

約数ペア:

[(1, 217902115), (5, 43580423), (23, 9474005), (115, 1894801), (503, 433205), (2515, 86641), (3767, 57845), (11569, 18835)]