71400640376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{686544619}}^1$

素因数の和:686544638

約数の個数: 16

約数和(自身を含む): 144174370200

約数和(自身を除く): 72773729824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 686544619, 1373089238, 2746178476, 5492356952, 8925080047, 17850160094, 35700320188, 71400640376]

約数ペア:

[(1, 71400640376), (2, 35700320188), (4, 17850160094), (8, 8925080047), (13, 5492356952), (26, 2746178476), (52, 1373089238), (104, 686544619)]