66395888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319211}}^1$

素因数の和:319232

約数の個数: 20

約数和(自身を含む): 138538008

約数和(自身を除く): 72142120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319211, 638422, 1276844, 2553688, 4149743, 5107376, 8299486, 16598972, 33197944, 66395888]

約数ペア:

[(1, 66395888), (2, 33197944), (4, 16598972), (8, 8299486), (13, 5107376), (16, 4149743), (26, 2553688), (52, 1276844), (104, 638422), (208, 319211)]