39771982

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{491}}^1$

素因数の和:995

約数の個数: 16

約数和(自身を含む): 60521904

約数和(自身を除く): 20749922

約数列:

[1, 2, 101, 202, 401, 491, 802, 982, 40501, 49591, 81002, 99182, 196891, 393782, 19885991, 39771982]

約数ペア:

[(1, 39771982), (2, 19885991), (101, 393782), (202, 196891), (401, 99182), (491, 81002), (802, 49591), (982, 40501)]