1815022144

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{167809}}^1$

素因数の和:167847

約数の個数: 42

約数和(自身を含む): 3900072210

約数和(自身を除く): 2085050066

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 167809, 335618, 671236, 1342472, 2181517, 2684944, 4363034, 5369888, 8726068, 10739776, 17452136, 28359721, 34904272, 56719442, 69808544, 113438884, 139617088, 226877768, 453755536, 907511072, 1815022144]

約数ペア:

[(1, 1815022144), (2, 907511072), (4, 453755536), (8, 226877768), (13, 139617088), (16, 113438884), (26, 69808544), (32, 56719442), (52, 34904272), (64, 28359721), (104, 17452136), (169, 10739776), (208, 8726068), (338, 5369888), (416, 4363034), (676, 2684944), (832, 2181517), (1352, 1342472), (2704, 671236), (5408, 335618), (10816, 167809)]