78677038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{17971}}^1$

素因数の和:18183

約数の個数: 16

約数和(自身を含む): 129398400

約数和(自身を除く): 50721362

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 17971, 35942, 197681, 395362, 3576229, 7152458, 39338519, 78677038]

約数ペア:

[(1, 78677038), (2, 39338519), (11, 7152458), (22, 3576229), (199, 395362), (398, 197681), (2189, 35942), (4378, 17971)]