12728290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 24906240

約数和(自身を除く): 12177950

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2161, 2945, 4322, 5890, 10805, 21610, 41059, 66991, 82118, 133982, 205295, 334955, 410590, 669910, 1272829, 2545658, 6364145, 12728290]

約数ペア:

[(1, 12728290), (2, 6364145), (5, 2545658), (10, 1272829), (19, 669910), (31, 410590), (38, 334955), (62, 205295), (95, 133982), (155, 82118), (190, 66991), (310, 41059), (589, 21610), (1178, 10805), (2161, 5890), (2945, 4322)]