139127978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{2237}}^1$

素因数の和:2518

約数の個数: 24

約数和(自身を含む): 230384196

約数和(自身を除く): 91256218

約数列:

[1, 2, 11, 22, 121, 242, 257, 514, 2237, 2827, 4474, 5654, 24607, 31097, 49214, 62194, 270677, 541354, 574909, 1149818, 6323999, 12647998, 69563989, 139127978]

約数ペア:

[(1, 139127978), (2, 69563989), (11, 12647998), (22, 6323999), (121, 1149818), (242, 574909), (257, 541354), (514, 270677), (2237, 62194), (2827, 49214), (4474, 31097), (5654, 24607)]