66408688

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{20857}}^1$

素因数の和:21064

約数の個数: 20

約数和(自身を含む): 129319600

約数和(自身を除く): 62910912

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 20857, 41714, 83428, 166856, 333712, 4150543, 8301086, 16602172, 33204344, 66408688]

約数ペア:

[(1, 66408688), (2, 33204344), (4, 16602172), (8, 8301086), (16, 4150543), (199, 333712), (398, 166856), (796, 83428), (1592, 41714), (3184, 20857)]