71305988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{25873}}^1$

素因数の和:25943

約数の個数: 24

約数和(自身を含む): 136925208

約数和(自身を除く): 65619220

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 25873, 51746, 103492, 336349, 672698, 1345396, 1371269, 2742538, 5485076, 17826497, 35652994, 71305988]

約数ペア:

[(1, 71305988), (2, 35652994), (4, 17826497), (13, 5485076), (26, 2742538), (52, 1371269), (53, 1345396), (106, 672698), (212, 336349), (689, 103492), (1378, 51746), (2756, 25873)]