71389552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343219}}^1$

素因数の和:343240

約数の個数: 20

約数和(自身を含む): 148957480

約数和(自身を除く): 77567928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343219, 686438, 1372876, 2745752, 4461847, 5491504, 8923694, 17847388, 35694776, 71389552]

約数ペア:

[(1, 71389552), (2, 35694776), (4, 17847388), (8, 8923694), (13, 5491504), (16, 4461847), (26, 2745752), (52, 1372876), (104, 686438), (208, 343219)]