71649844

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20149}}^1$

素因数の和:20287

約数の個数: 24

約数和(自身を含む): 144435200

約数和(自身を除く): 72785356

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 20149, 40298, 80596, 141043, 282086, 564172, 2558923, 5117846, 10235692, 17912461, 35824922, 71649844]

約数ペア:

[(1, 71649844), (2, 35824922), (4, 17912461), (7, 10235692), (14, 5117846), (28, 2558923), (127, 564172), (254, 282086), (508, 141043), (889, 80596), (1778, 40298), (3556, 20149)]