287514205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 383328000

約数和(自身を除く): 95813795

約数列:

[1, 5, 11, 55, 109, 199, 241, 545, 995, 1199, 1205, 2189, 2651, 5995, 10945, 13255, 21691, 26269, 47959, 108455, 131345, 238601, 239795, 288959, 527549, 1193005, 1444795, 2637745, 5227531, 26137655, 57502841, 287514205]

約数ペア:

[(1, 287514205), (5, 57502841), (11, 26137655), (55, 5227531), (109, 2637745), (199, 1444795), (241, 1193005), (545, 527549), (995, 288959), (1199, 239795), (1205, 238601), (2189, 131345), (2651, 108455), (5995, 47959), (10945, 26269), (13255, 21691)]