642734144

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{772517}}^1$

素因数の和:772542

約数の個数: 28

約数和(自身を含む): 1373537004

約数和(自身を除く): 730802860

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 772517, 1545034, 3090068, 6180136, 10042721, 12360272, 20085442, 24720544, 40170884, 49441088, 80341768, 160683536, 321367072, 642734144]

約数ペア:

[(1, 642734144), (2, 321367072), (4, 160683536), (8, 80341768), (13, 49441088), (16, 40170884), (26, 24720544), (32, 20085442), (52, 12360272), (64, 10042721), (104, 6180136), (208, 3090068), (416, 1545034), (832, 772517)]