1649781248

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{169591}}^1$

素因数の和:169628

約数の個数: 40

約数和(自身を含む): 3469852320

約数和(自身を除く): 1820071072

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 169591, 339182, 678364, 1356728, 2713456, 3222229, 5426912, 6444458, 10853824, 12888916, 21707648, 25777832, 43415296, 51555664, 86830592, 103111328, 206222656, 412445312, 824890624, 1649781248]

約数ペア:

[(1, 1649781248), (2, 824890624), (4, 412445312), (8, 206222656), (16, 103111328), (19, 86830592), (32, 51555664), (38, 43415296), (64, 25777832), (76, 21707648), (128, 12888916), (152, 10853824), (256, 6444458), (304, 5426912), (512, 3222229), (608, 2713456), (1216, 1356728), (2432, 678364), (4864, 339182), (9728, 169591)]