71391568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{262469}}^1$

素因数の和:262494

約数の個数: 20

約数和(自身を含む): 146458260

約数和(自身を除く): 75066692

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 262469, 524938, 1049876, 2099752, 4199504, 4461973, 8923946, 17847892, 35695784, 71391568]

約数ペア:

[(1, 71391568), (2, 35695784), (4, 17847892), (8, 8923946), (16, 4461973), (17, 4199504), (34, 2099752), (68, 1049876), (136, 524938), (272, 262469)]