66741904

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{16619}}^1$

素因数の和:16878

約数の個数: 20

約数和(自身を含む): 129835440

約数和(自身を除く): 63093536

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 16619, 33238, 66476, 132952, 265904, 4171369, 8342738, 16685476, 33370952, 66741904]

約数ペア:

[(1, 66741904), (2, 33370952), (4, 16685476), (8, 8342738), (16, 4171369), (251, 265904), (502, 132952), (1004, 66476), (2008, 33238), (4016, 16619)]