28289768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16001}}^1$

素因数の和:16037

約数の個数: 32

約数和(自身を含む): 60487560

約数和(自身を除く): 32197792

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 16001, 32002, 64004, 128008, 208013, 272017, 416026, 544034, 832052, 1088068, 1664104, 2176136, 3536221, 7072442, 14144884, 28289768]

約数ペア:

[(1, 28289768), (2, 14144884), (4, 7072442), (8, 3536221), (13, 2176136), (17, 1664104), (26, 1088068), (34, 832052), (52, 544034), (68, 416026), (104, 272017), (136, 208013), (221, 128008), (442, 64004), (884, 32002), (1768, 16001)]